MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and ClamAV as malicious, with a high ML score. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate it's likely designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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=responsible+for+responsible+to
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/19d66d30709e609b641768470587a813/4229150341.pdf
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/c88483319a797094dca8273e2d9ca2da/zifugedepizimomegikazas.pdf
- http://aranysolyomfeszke.hu/editor_up/gegisopuwaruzowusi.pdf
- http://monkey-do.net/userfiles/file/peleduzexalivu.pdf
- http://mebizstekla.ru/userfiles/file/sukageko.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/19cf2713bc88ad6939c6b765388caa48/65122318662.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4af66de7e---70088980958.pdf
- http://novussiteyonetimi.com/uploads/file/joxas.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16105cb507043f---70536522150.pdf
- http://eros-arena.de/eros/userfiles/file/33001811963.pdf
- https://walkandsmile.com/userfiles/file/19044957140.pdf
- http://sotel-perm.ru/site/file/bosufebakato.pdf
- http://vienkiemis.lt/app/webroot/uploads/userfiles/files/73506648488.pdf
- https://yuanfuconstruction.com/ckfinder/upload/files/74396551419.pdf
- http://thomas-zigon.de/images/file/mifosemurav.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607142d2527fe---tavudiwosonovebir.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/d61d40abf8eae74196cab0e31586764c/niwewigeg.pdf
- http://scantech3d.com/files/96892777716.pdf
- http://bowlinggreenhsclassof66.com/clients/b/bd/bdf8ab256cd88a603fc2b95a051c5839/File/11034916975.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160b9dc62a942b---55999124224.pdf
- https://areopag.ru/sites/default/files/uploads/82684498291.pdf
- http://prmakeup.com/Image/files/dipepi.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/iis3gm2vjtoekjgohtvsjl50l4/39620445924.pdf
- https://almentispharma.com/ckfinder/userfiles/files/13638529700.pdf
- http://nfc.soo.jp/file/jabafofixa.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_off0000eb54.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB54 | 16792 bytes |
font_01_sfnt_off00010366.bind29b7ecda7d0d5590fe243b1e99b410b5bf2ffe180d065251a11d9a4fe207185 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10366 | 17400 bytes |
font_02_sfnt_off00013080.binb54573b33269b45684e1e06e18af27cf62a402fb5deaffe979bc1f3c7e1ef9d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13080 | 10376 bytes |
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