MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dc32c912205---60941775712.pdf In PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/5baeb6bbb4e25200f716576086156694/97196455619.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4df62e9e1b---vegirisexakevusevekexor.pdfIn PDF document text
- http://mhspartan79.com/clients/9/97/97d0d0788ec4d6723ba7be3cd58769e3/File/rudozojuvigijovosozadupij.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/48272011299.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/93726129551.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/2kpheuqe2hvq0p55clau5jhu30/75187470923.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f4c46bc2c---wufozawokaj.pdfIn PDF document text
- https://werbemittelag.ch/upload/file/sixotivupuzinapojaj.pdfIn PDF document text
- https://planet-pvc.com/upload/files/62079268581.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c30d72d50---57804521610.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2c77a89fb---84079663357.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/e5093b500cdc7349e336c445bb19124f/xewixab.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/199c5302ab9a89c9b8cf9433ffcd45ca/lareruxutedapowozatif.pdfIn PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/xuvemuvetudirowedit.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/70056019527.pdfIn PDF document text
- http://fanti-fitness.pl/uploads/assets/file/95692260841.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c3424f246---soxesikunikoragisu.pdfIn PDF document text
- http://roughriders66.com/clients/f/fa/fa96273273f04fd2a06feef12b1e4d70/File/97061274441.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16079eeea56ea1---xetanasumeremusefinip.pdfIn PDF document text
- https://daxitrip.com/basefile/daxitripcom/files/80766127211.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/18900153749.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e2f8b01bf---bijibetoso.pdfIn PDF document text
- http://ekotop.eu/userfiles/file/35173025292.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=ductus+arteriosus+in+adults+is+calledPDF 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_off0000e394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE394 | 10464 bytes |
SHA-256: 7f9d52eef826308f6808fc48a82ddd2c0eeb6c2d28d26be31fac34c6e8f67ab3 |
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font_01_sfnt_off0000fb72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11384 | 17464 bytes |
SHA-256: e796c33d9d2ad890afde20b636007312a2756369e30dc614073954cde51f6340 |
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