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 phishing or malicious content delivery attempt. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple external URIs and a link farm heuristic strongly supports a phishing or SEO poisoning attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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://perilatomsk.ru/ckfinder/userfiles/files/89922124695.pdf In PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1f58a163f---fajofovero.pdfIn PDF document text
- http://dblbtech.com/userfiles/file/rajizitamef.pdfIn PDF document text
- https://baxsporthorses.com/userfiles/file/84438305615.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/cu2mfj6v5h258mo82flj86qj89/kuvosojaluluwim.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcf31660d3---bebexino.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/ebce5a974be844ac2b21a7129c2009c1/litudivakopoxus.pdfIn PDF document text
- http://cudicio.it/images/file/guvumapamavekogifoje.pdfIn PDF document text
- https://amd-export.com/site/upload/file/1415076195.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/79d418d8ef8f4afc56401d8327c2aa12/ritatatotiwejuxuduvevax.pdfIn PDF document text
- http://smsalumni1971.com/apadmin/uploads/userfiles/files/vuzovegoweselugenitara.pdfIn PDF document text
- https://syntellect.ru/Repository/file/pexoduwizufaparumumavawol.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/750a8a3520847fdb8a5acb43dfd2b480/xujuxanavubuvulupuwosut.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c59e23d4523---verukasoteronijuvuta.pdfIn PDF document text
- http://www.bash.cl/media/file/7833967400.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/zasedewetevu.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/9e1dd31ef347d478ca37012e9e85bc6d/68345018514.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee5d068db9---62955301705.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/82477562529.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112129b4ca40---35009082238.pdfIn PDF document text
- http://vamaconsulting.sk/userfiles/file/mizukapipuvevibel.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/703bec8fe1edebb48c2a2bf15fd31a09/33279767888.pdfIn PDF document text
- http://el-master.ru/userfiles/file/8399821030.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16090939c149b1---21633933590.pdfIn PDF document text
- http://starwindows.ie/ckfinder/userfiles/files/foxagokimimapirilo.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305bc890008---xebulezedipudafe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=retail+management+a+strategic+approach+13th+edition+pdf+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_off0001190c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1190C | 19192 bytes |
SHA-256: d2c5fed3d938756e02cf80425da6a502fa80ba3048bf11459bdab53656419115 |
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font_01_sfnt_off00014af3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001630a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1630A | 11336 bytes |
SHA-256: 4315de84f3a8bc9703c11f9ae16db8bc54860a051d8d7dccefd82f5ea9e9169b |
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