MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers identified this PDF as malicious, specifically flagging it as a phishing trojan. The presence of embedded URLs and the heuristic firings strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://cructi.ru/uplcv?utm_term=well+and+septic+near+me PDF link annotation
- http://flatadministration.com/uploades/fckeditorfile/99850486984.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/4669519510.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/e3e4625d83f41005dd9af7de4882f6f7/nomezoraduxavaretedadike.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/b47846850351571c0b8754a00c121a44/wuxaxinegakusudukage.pdfIn PDF document text
- https://pasarantogel2.com/contents//files/12189874044.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/zizedolozaguledanuxuvu.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48c5cb337d---80756670422.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a656393c9b0---12567153633.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16097c3bee8ccb---1708682837.pdfIn PDF document text
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab9294b40d---zabetovogekokabuwe.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/e0f1f0c47e5c5a3aa2500b9d46ff3756/palazamuboluluferasowiba.pdfIn PDF document text
- https://amatnieks.com/pictures/image/pamuzuvokepubeterawafisa.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af5c1c65c6b---94843330697.pdfIn PDF document text
- https://aradmissions.com/ci/userfiles/files/61465496355.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607b154da4fc9---rimefibewuki.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/opr5cbda10nmcjb3bki4nsd49n/51368451499.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/2676bc7dd383e778d6267138dd9654ea/suwepabavadete.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ad2cb77df---teweradizip.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/remigesopokabo.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abdfee4a227---50244914622.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160881e837d685---69898124295.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b55c90986ab---26402283186.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160894486065d0---lijenaxojatolizag.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/zirafesoduvosaba.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/9hbssut76h5uslk7q65git13ka/18131851850.pdfIn PDF document text
- https://pasarangroup2.com/contents//files/25617012409.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_off0000eee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F5 | 16632 bytes |
SHA-256: a01b398178684a15abc36e3e5e02143a2c1ddd561edd7319b504ca06b84ea315 |
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font_02_sfnt_off0001321d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1321D | 10548 bytes |
SHA-256: 9b32006a41d0aee84cf92e89ec0807223397ebe806a3fd26bfc945a60741bec9 |
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