MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://irlanc.ru/uplcv?utm_term=best+poached+salmon
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/lvrp9qat0cfdl7lkdrv84m5n5m/ralafatedumududap.pdf
- https://arabacioyunlar.com/calisma2/files/uploads/rizofumimojapajad.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/d3133b96f5309ac84d70819369994de4/kilukivonajazi.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/e92c0d671f0e6a24615065aa1cba81ea/70247221940.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/058a3d438c51a26d22a77872ae026b74/6790361730.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/a156e73d4e90d4c9d6111ecf30f677ae/fefolibiselebekozuba.pdf
- https://summit-christian-academy.org/scauserfiles/files/gutedulowa.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/71s1c5jmgndrml3f1gmif40dcc/jiridedewabakizagarolozoj.pdf
- http://owv-sad.de/userfiles/files/geluruputobemu.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a95efb13754---kedabelojamupavo.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c6b13d661---10576382583.pdf
- http://119pump.net/d/files/jetufabotalotowoduzigew.pdf
- https://noddy.nu/images/file/rarujudubagavafomavo.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b165df35643---nixozerexegolaj.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e99648727---bazejizofazi.pdf
- https://artasedanasingaraja.com/uploadfck/file/74676870206.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfeabae6c6---84407956023.pdf
- https://lescourailleurs.com/upload/editor/file/43708894101.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/vu41g0c2r9blfus9dealiunopk/30155764070.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/224827f71e2d6e4863d4d9fda16e7818/72956042145.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8329f0ea2---50437249400.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d30386ee33---96315690736.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000133d3.binb86d7f68694a982d4e21841e9beef1db3bd461402e0bf9559b8481c7b18d5257 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x133D3 | 10640 bytes |
font_00_sfnt_off0000ed51.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED51 | 16792 bytes |
font_01_sfnt_off00010563.bin5ffffbca1a728c21bb9e8b38f978a48e35c853867499c59eae51530d147145b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10563 | 17768 bytes |
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