MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised websites, many of which host further PDF documents. This behavior is indicative of a link farm designed to distribute malicious content or lead users to phishing sites. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081e1df63946---zazewisifekosatefabo.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/nrk3qct7s4l0n7q212a06ehscv/25524617536.pdf
- http://raisemoneyonline.org/clients/6/69/691275cf9a36cab982b2498ebdc715be/File/xutinosujejetuzobinepi.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608460ccc9873---61337591289.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608275d9b0340---mizidaxofama.pdf
- http://aaronandanthony.com/userfiles/files/xesewilekuxowixono.pdf
- http://zrdb-drogbud.pl/Upload/file/povoduverodiw.pdf
- https://sasalidayanisma.org/uploads/file/10017647806.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca6328d497---tevakanipa.pdf
- https://xn--faades-mtal-n9a6a.ch/ckfinder/userfiles/files/36041084489.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/f90761b305b6f536b1918289dfd85e71/somagi.pdf
- http://www.aluvascientific.com/UserFiles/file/nevilorupufor.pdf
- https://amatnieks.com/pictures/image/fepogudimudi.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/94bf725ea2650242bfbcc9480c654705/vefipeduk.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16098424079802---84276189546.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/nbtqaeuho83ummbf2nblua0bki/puzurawujipowuruxi.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a04fe599d55---rubesoteriseni.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/0140esvd7m1nbdh0b95d8mbnk7/41168611229.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/07ptnqamccgfiup82q7m5mg9mu/zilikilufugidujiramipufo.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/160929a4d58142---31181861474.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a309a7272b1---zujimosowojugexoxebine.pdf
- https://stratasphere.online/userfiles/file/taluvijuju.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a9f33ece6---56727225895.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9ff651a0a---zuxavaw.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=the+academic+writing+style
- 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_off0000f3b5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B5 | 16792 bytes |
font_01_sfnt_off00010bc7.bind504c00a415241bc8ca74d7c9204a78306f08026367c971040fdb237266355f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC7 | 17412 bytes |
font_02_sfnt_off000138c4.bin5f9de75a9cde14791b6ea78525c010c4911b662d9bc42a25e180e716f640f463 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138C4 | 10860 bytes |
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