MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that form a link farm, with several pointing to compromised WordPress upload directories. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of a 'utm_term' parameter in one URL suggests an attempt to track user engagement with deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://wastran.ru/uplcv?utm_term=how+to+get+free+credits+on+call+of+duty+mobile PDF link annotation
- http://tycoonmedical.com/userfiles/file/66336095280.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/5ba22d0c12a48833f1d0e41b61b5ca37/28638291613.pdfIn PDF document text
- http://kusistoconstruction.com/userfiles/file/teromipojunivemekavi.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/jinaveluvexedu.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/tatejejonavejerimobowisa.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/xazodosuwatixufili.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/fojavilifisax.pdfIn PDF document text
- http://ahppesticide.com/userfiles/file/95451836346.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/47243115845.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/ntol1ptvan7lrt8ad8roha5c9a/37925928211.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613813ec3c1c1---vapejusufusanupo.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140354329d2f---tajosipirobesuvopisotefo.pdfIn PDF document text
- http://tottazo.com/userfiles/file/rinomexog.pdfIn PDF document text
- http://brenderup.ro/mm/file/2505091033.pdfIn PDF document text
- http://bbmeti.it/userfiles/files/loloxewutawevawuragubekul.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/kowuzive.pdfIn PDF document text
- http://universalestetic.com/userfiles/file/75524546907.pdfIn PDF document text
- http://kartinatv.org/uploads/files/72708526413.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a26667a11a---12372339908.pdfIn PDF document text
- http://bukharajohnscreek.com/sites/default/files/file/3470410508.pdfIn PDF document text
- http://ibb-online.ru/f/file/31245034809.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/muxevifigarojozuwajaki.pdfIn PDF document text
- http://imotrading.com/images/userfiles/72645960504.pdfIn PDF document text
- 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_off0000bc04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD416 | 15320 bytes |
SHA-256: 59ee127ab703c002cc9de89ed9f76d77de4c6d0f62238c0fd96759e5655bed8a |
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font_02_sfnt_off0000faa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA7 | 11248 bytes |
SHA-256: 66fd78aeb5774f053390b5b2bb8f95cf8c3c8a0e86efbefc94e15623c50fdcba |
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