MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many of which appear to be compromised WordPress installations or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The 'SE_INVOICE_LURE' heuristic indicates the document's content is likely a fake invoice or payment request, a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://allytemp.ru/uplcv?utm_term=my+stomach+aches+every+morning
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/jpk2iqo5kk6b7upm6kfep7abh3/4370345540.pdf
- http://15fratrowreunion.com/clients/2/2b/2b18ccadde375fd95e9ac2d5db5aaa67/File/3046286948.pdf
- https://karapinarinsaat.net/userfiles/upload/file/wigidoxazubuteg.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/4ffe0609478327dbe1cdac43729ff159/3435618150.pdf
- http://geredekombiservisi.com/userfiles/file/dilubemegakexojup.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cce1787e83---fovudotipeniso.pdf
- https://kodcomputers.ro/2664/uploads/50687767867.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa89e485e9---13862552667.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/01vqct1aalq2dmnrssu6cjgk54/96429655368.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074cb4daa043---kalososutimagofo.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079294d0e505---tixovakidogekez.pdf
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/bevenifa.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/147d673ad85e7fb157a43e4426abea0f/xurelunudewiwudabale.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb8d5c5597---14801832337.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81167c49f---jowanexesirir.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/8e4a66fb981684b31fba4fafcfc1c06c/xebawujiwakiwipu.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e039ad9cafd---saxijagawidurozuf.pdf
- http://kagoshimakojintaxi.com/userfiles/file/tupixaropewesixup.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16083cc44233ab---davoxowikeve.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ae01a9905720e6b77a3ba6b1664d3333/pijexeziwaxobojibalufate.pdf
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/3c8b9ce7ac651436ca89a77ac0c2d5d4/puronoso.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160bb21ede0953---7710935389.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 |
|---|---|---|---|
font_00_sfnt_off0000f459.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF459 | 16792 bytes |
font_01_sfnt_off00010c6b.bin1c90559b393ed65dac3f4f79d9007c6e8a091b46e7d0dcd134e5d69783505e99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C6B | 16748 bytes |
font_02_sfnt_off000137b0.bin406c02537da6d35d512b9f266ccddf8d45042bc007ed4db38272985c0907be1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137B0 | 10804 bytes |
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