MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to obscure the final destination. Heuristics indicate a link farm on disposable hosting and compromised CMS uploads, suggesting an attempt to lure users to malicious sites. ClamAV detection as Pdf.Phishing.Trojan further supports a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://stelmart.ru/userfiles/file/venanavizofudav.pdf In PDF document text
- https://ecohort.info/userfiles/files/43501671938.pdfIn PDF document text
- http://bociany.sk/media/file/bimixuxex.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613935cd18ecb---gasisomabuvufigudomo.pdfIn PDF document text
- http://mfcpavpos.ru/file/43218943061.pdfIn PDF document text
- http://confidenzacsapagy.hu/upload/kemivezis.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210907090041.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/fedozajulajuvinexusijig.pdfIn PDF document text
- https://epiphanych.com/images/file/gulevilibagawuten.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/bepofopuzoluju.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396bee4c2a2---59205649270.pdfIn PDF document text
- https://helices-evra.com/userfiles/file/lixejaxusipi.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130a49c65724---walodujewomobamopitajopuj.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/19868729857.pdfIn PDF document text
- http://marketingnews.fr/images/file/zewevi.pdfIn PDF document text
- http://chizclean.ru/files/fck/file/nodajikivonutanawulogad.pdfIn PDF document text
- https://posetili.ru/userfiles/file/jukerojaputolijaderoxiwa.pdfIn PDF document text
- http://bodegaadrover.com/userfiles/imagenes/76506032930.pdfIn PDF document text
- http://bimbrlata.cz/UserFiles/File/vigazexugudadevaxobada.pdfIn PDF document text
- https://mvmdigital.gr/files/files/38763454618.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/67955399113.pdfIn PDF document text
- http://ckudzcssffhhj.handysociality.com/upload/files/61084082056.pdfIn PDF document text
- http://mp-journal.com/media/file/pegopubarujevu.pdfIn PDF document text
- http://yeosingol.com/FileData/ckfinder/files/20210909_F59431687009F999.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=online+video+to+audio+converter+using+urlPDF 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_off0000b30b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB30B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB22 | 10736 bytes |
SHA-256: 372b08e9ea9999a0245fedc47bfd0d4acbb0bfa98562e235f94162c1d590e5ed |
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font_02_sfnt_off0000e3c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C5 | 15308 bytes |
SHA-256: 1a4ce9fb38b0dce48a793bb13be0092c1f023a063648c6a96f40e68139430d65 |
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