MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many embedded URLs pointing to external sites, some hosted on compromised WordPress installations. The document body is heavily obfuscated and appears to be non-readable content generated by wkhtmltopdf, suggesting the primary function is to host these links rather than convey information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/b8e6a583d0356c9da34f5a2faab49c3e/mimekiwazikedevaguge.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/863ab45ac00c9f1be2b2adcd60c26e7f/50911762525.pdf
- http://aj-logistics.com/stock/userfiles/file/70731113230.pdf
- http://blueyee.com/upload/file/240209221081.pdf
- http://sklepjola.pl/userfiles/file/bevuwabetonuxezu.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/903c5b03470762d612fbc2bd884fe5ea/10465358297.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ab57e3aa25e---tigozebutubube.pdf
- http://gandolfiarchitetti.com/userfiles/files/pogevokiriwebejumujekezuf.pdf
- http://carefirstyoungatheartgala.com/clients/b/bc/bc61c41cf33a111e4089ebab1e34a2ce/File/sanivapelaji.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65f3442e96---35732916148.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa40757fcab---puxevaxofanume.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd7ea620da---1147782903.pdf
- https://brahmagnanam.org/fck_uploads/file/betupogudeliwamakobat.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/d7b051cb00df95eb64256d09e295ca20/38182445101.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/8e8116d62bbf3cf73905ecee44206632/7643459395.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/e1vtki20sauc44beqkookf8u9f/36288962768.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098995798362---mifabi.pdf
- http://billsky.ee/files/file/29535435139.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/5bdmjgf17hi6nv9e8m69fgnl85/xesen.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/cae0feda32f52b99992ea6f8ec0cfd97/runazotugomaku.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/8c457a2b3c65454ab9014a9c74a719cc/wofetavevipuduz.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160835547b351a---gilupapixom.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d26df4c8234---movenelemelelugu.pdf
- http://tipsclubcr.com/campannas/file/96698184107.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=stretch+outer+hamstring
- 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_off0000ea56.bin617dd8319cf3ba071565157a561ff16cab8dad16b628182195fbb55b5e6df5e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA56 | 16868 bytes |
font_01_sfnt_off0001162a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1162A | 16792 bytes |
font_02_sfnt_off00012e41.bin3dffb4d62f515b62fdf8dc1eb75eaf50931554a01ab06cd1096ded705cb9786a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E41 | 10808 bytes |
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