MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified the document as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting. These links are likely intended to redirect users to phishing sites or download further malware, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607446be7c2f3---doxitiluziz.pdf In PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbceea0c85---ronakagokonijedabuxow.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16108e76250f6c---kebipukumu.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4f5385691f---dasixanijaruvebezotod.pdfIn PDF document text
- https://dotcomtravelegypt.com/userfiles/files/vutuxozexe.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/998306f76c80464652efab4cf921b098/88954197227.pdfIn PDF document text
- http://modero.vn/upload/files/damovararepugusi.pdfIn PDF document text
- http://sdds.be/userfiles/file/93944422192.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/6040ddf90551a72db1a479d5fc680caf/96013835048.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e5a672bbbe502eef03bf87565bb9fa82/bawonon.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/186f1a3edb591ee511ee8a933e8dbafd/23563720665.pdfIn PDF document text
- http://24cvety.ru/upload/files/dezokunikipaxipifedaz.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba86933dce---35539246360.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/gigana.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/8713543367.pdfIn PDF document text
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/eb982a75c1eba3b88938f851a24a0609/pedenavosujodujamixoge.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/monovuvavowosiri.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/jujiwudopegur.pdfIn PDF document text
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/jilokojufaw.pdfIn PDF document text
- http://hongdacable.com/d/files/loguviruvaporopidarilufeb.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/810998c53b97a9c2a36f4fcb70e75d9a/fejelenuv.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e8585763---gapabefanur.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/pasarajuwowotemapuwed.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16119c8d685748---65129762118.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=3d+anatomy+app+for+pc+freePDF 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_off0000e0cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E1 | 17060 bytes |
SHA-256: 57cbe33ff5ebc16f1a01573949314a9451b04a3fc21cb5dc1f78a904e1e86f19 |
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font_02_sfnt_off000124f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F7 | 10664 bytes |
SHA-256: 5c999fb17aedea7094db27915385a672fb3e6d722a7a3a5aec4e322c690b607d |
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