MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external resources, many hosted on compromised WordPress sites, suggesting it functions as a link farm or a lure to download further malicious content. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://chcial.ru/uplcv?utm_term=magnetism+notes+for+iit+jee+pdf PDF link annotation
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c96e8e8c0f---24754556432.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef5fec50e7---vumugifabotowajup.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783aaecf561---putaniresudipanevokosij.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/14407457507.pdfIn PDF document text
- https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/agi3l404c767vj20vjbk3eahe2/34092843927.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/tenimigasevaberiw.pdfIn PDF document text
- http://homeopathyhongkong.com/files/38396848025.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089ad144f984---20131011599.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e26f5193b---76626805933.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/jowuse.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/9455rl28gcjbgngioith49v7hv/72467853735.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/6c57a86ac307feb113a24bf19a4dd81c/kegonuriresegawumemitewuk.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfd5b06b64---zolujokawokadujotopijojek.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/5eff876d0a87d6044ae61244b8685591/kigotasagegu.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/58e4e112162b68b1e55729036cc7a9e0/pukumapareperebab.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/81439409758.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/30742957375.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/uav49o2th1srun8vh071hcuji4/13254242650.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/m1jkudaoks4i1mkaou1ndttqnk/77110852484.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c3ffea84c---giludanazazug.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/qph3pi4q2kog0netmadpfm2hn4/41672516639.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/950a61505fad0d9d47bb8bb44290a31d/59249411292.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160941c70b89aa---japefili.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/zijepasaz.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/5d86dec67f540460328ed8ee5f90dd52/48098326472.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/faf374a70bafe9fe1ae8a1eadf44691e/65733321747.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/52654846303.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4F3 | 16668 bytes |
SHA-256: cdf03bf2c3fc913b2c0656f5732141d8d40a413716449b57521bb86b792cfe22 |
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font_01_sfnt_off0000f02f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010846.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10846 | 10916 bytes |
SHA-256: 1576c4a480b9540a8a731315c491b71184a70252eaa2bbd942386716e4fcecb9 |
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