MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories or disposable hosting, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://superfishinglewood.com/uploads/files/40743749901.pdf In PDF document text
- http://familiehollander.nl/images/uploadedimages/file/zipidafufejoxinefub.pdfIn PDF document text
- https://aquatrustfina.com/userfiles/file/96562165722.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16137ed796c4c0---36445521137.pdfIn PDF document text
- http://baovethanglongmb.com/upload/files/rutelugit.pdfIn PDF document text
- http://birdwatching.sk/media/file/94002562382.pdfIn PDF document text
- http://saga.diamonds/uploads/ckfinder/files/16907595393.pdfIn PDF document text
- https://mycultureis.com/FileData/ckfinder/files/20210915_D3A5D15F389B9A78.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/96067132022.pdfIn PDF document text
- http://guss-ex.de/uploads/fck/file/67310180894.pdfIn PDF document text
- http://chengzechem.com/upload/files/xevelerepo.pdfIn PDF document text
- https://namdolove.com/FileData/ckfinder/files/20210907_D0D4DB09DC60FE8C.pdfIn PDF document text
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/30827299222.pdfIn PDF document text
- http://studiogaleazzo.eu/userfiles/files/97854227619.pdfIn PDF document text
- http://hz-kontejnery.cz/ckfinder/userfiles/files/xufejaru.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d373d025f9---rewubotegimalirer.pdfIn PDF document text
- http://technocom.pl/editor/file/ginizuvepemavepubez.pdfIn PDF document text
- http://sinoscaform.com/upload/ckimg/files/202109160436326379.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/72019260308.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210906_AD76468AC6DC460B.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16145076133321---3529122772.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///waludinejekopuxon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=zack+snyder+justice+league+gomoviesPDF 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_off0000ef7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7A | 11176 bytes |
SHA-256: f8755092bfbb0dbfca042490cc2eecf08e51da2481c54e53b1846e601f8b3b20 |
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font_01_sfnt_off0001097e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012190.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12190 | 18744 bytes |
SHA-256: 39bd9e1a4c1e2a46a27e583d996f5328de1dd520b4b3b4fc0390e39811afb89f |
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