MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. The PDF structure and numerous external links are consistent with a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/e595c638ce504d7c8ece9710985361f5/93736436302.pdf In PDF document text
- http://thetuckerfamilyreunion.com/clients/67950/File/zosotawedidamepawolipi.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/d46bf2f562c864599212cc45a38a44cc/sajituxed.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/furqjappqhv7meletn2ukfvbv7/71339371531.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/vlgbtlot3crbl8m5t8052eucp7/jufanodojezodebo.pdfIn PDF document text
- http://coreaad.com/DreamDataUpload/file/34558915252.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/tafiwonekenugemolawe.pdfIn PDF document text
- http://capmar.eu/userfiles/file/xunegafogope.pdfIn PDF document text
- http://nacyc.jp/Upload/file/vixuludo.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1b6acfcc27217c057d5c6d2e8e779278/labiwerebinufos.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160d9a044bd0b5---kovubexukove.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/kozakonupinozobe.pdfIn PDF document text
- https://artenika.pl/fck/file/xizivekiromazigimodumujat.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/safenarijev.pdfIn PDF document text
- http://cartopack.com/Images/file/witojowim.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe3df04cc3---jufupologilomumaj.pdfIn PDF document text
- http://axwelindia.com/uploads/41046498116.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16088337f9bfbb---66410546284.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfdc1aaa18---tisupikunazebirasen.pdfIn PDF document text
- http://renovator.cz/files/file/sekurosobasixelunigat.pdfIn PDF document text
- http://pamat.ro/UserFiles/file/8868001441.pdfIn PDF document text
- http://sage-chem.com/image/files/20210709_015728.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/vavokinef.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ea0597a87---97016647428.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=signs+of+pyromaniaPDF link annotation
- 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_off0000eda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA3 | 16412 bytes |
SHA-256: b4111b0e8dea4ca45496ebf6d9bf6cd95cd36aa3ca4fd32eda98aaa52aefee02 |
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font_01_sfnt_off00011829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11829 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13040 | 10616 bytes |
SHA-256: fb150cbebb643e32c88b74135dfbb5b089956a64c51c791aff1747d91276e105 |
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