MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The document contains numerous external URIs and link farms pointing to compromised CMS uploads and disposable hosting, indicating a likely attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing and malware distribution campaigns.
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://ketchas.ru/uplcv?utm_term=1+minute+monologue+from+hairspray
- https://cleaner.pl/userfiles/file/71780804944.pdf
- http://foto-klub.dk/userfiles/file/xiwekevave.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c326463d6f2---40012214194.pdf
- http://allnatureint.com/userfiles/file/24138495936.pdf
- http://kolasinprevoz.rs/slike/files/judanufolojofuwodinosasa.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/a13f1c0905ef4e407a94d6b7ec009907/zatomik.pdf
- https://monyetmesum.com/contents//files/zudumetoje.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e130e43bc---rujeraxarujo.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/c48153fb245f77f49dd1b89f8215c5e3/xatikujirujekuj.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1608379d79d5f4---katapumodek.pdf
- https://samsungvrvklima.com/upload/ckfinder/files/pulutazemekepomalizuv.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16086513ac0c89---wagatolinegiba.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/8a0e7f2686ea4ecf1bc35e147045ae3f/bikosisu.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/a5ad58f51753ee5440823da7ab271105/judixepapuronujijiwuxezil.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad51bd10737---ravedixewelesudezimob.pdf
- https://dadesigning.com/daduserfiles/files/tinakuduwo.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1004aadbc---104131100.pdf
- http://asianmosaicnyc.com/userfiles/file/lipesemesisuni.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/5ts7ur63sd1rlev7hojhoebq72/jemotifasagugopivuvuxaza.pdf
- https://cakenflowersonline.com/userfiles/file/kezolamixavuragu.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/r7hqrk2t56iabqsqpq3ogpdsn7/senowidegidubujokirewi.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/e98v7tc2r6olr929sk54j2qmh3/86854470685.pdf
- http://polish-house.com/uploades/fckeditorfile/bejugilufum.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/c445652f3a7b11f7e951c75db2992ed8/5725877848.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_off0000e8f3.binbf8d66357319051f7e80a9014e02928d66e65836e8188155b940e9f4a9ab7719 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F3 | 10972 bytes |
font_01_sfnt_off0001023f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1023F | 16792 bytes |
font_02_sfnt_off00011a51.bin43e52938cade9fb423a4380230f67ea40d68b49e37a1ee29e1490c19cd28d0de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A51 | 17312 bytes |
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