MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure but reinforcing the malicious nature indicated by the heuristics and URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/smcliqs7g7qo58m26a2h5crilb/bevexexixabeno.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/tur4uhtth80b7us1opfue39ug8/71158551540.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/gbjdlegrve1gm8av04lpgva84r/kejodesugobapukizadut.pdf
- https://planet-for-events.de/userfiles/file/25105177717.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/c11cdc7cc07f8beb3dde1bc49d8b93b7/sujizuxikorabamixun.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098463852a7a---87416765820.pdf
- https://yellowstonewildlife.com/fawaf.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/i6tc1teanmdnj3j79ja2a9sshc/zibowoxigemanozoluwuto.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/0237f09709dcaac242a0932a10a88f5f/rilariv.pdf
- http://yokohama-model.com/userfiles/files/35859449354.pdf
- http://urbanconstructions.org/images/uploadedimages/file/fizokira.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c55f022c36---xaparigesuluviboma.pdf
- https://bio-obst-und-gemuese.de/userfiles/file/3470142095.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b834f9b581f---denefaxu.pdf
- http://ottotech.center/userfiles/file/45196143162.pdf
- http://ekolojikweb.net/upld/userfiles/file/49695034685.pdf
- http://carszana.com/image/upload/File/41641441736.pdf
- http://ibb-online.ru/f/file/11950115343.pdf
- http://vantaibactrungnam.vn/upload/files/86094639786.pdf
- http://associatedreclaimed.com/userfiles/files/4908202288.pdf
- http://robbes.nl/media/files/83182288512.pdf
- http://aggengr.com/uploads/CMS/file/xinawa.pdf
- http://cadeco.com/testingsites/advantage_aviation/assets/media/file/titimuvafosizeb.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=secretary+department+of+higher+education
- 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_off000103e5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E5 | 16792 bytes |
font_01_sfnt_off00011bfc.bin55714c0d7367e984ce44cedc6b38d544e84f0f8e7687781a7c40ff96f8942cd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFC | 11140 bytes |
font_02_sfnt_off000135a6.binb7b5741f8937134fcfce5658c0656362e4bfc7f287ff2695e696570361107bb1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A6 | 17384 bytes |
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