MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains a link farm pointing to multiple compromised CMS upload locations, suggesting it's designed to redirect users to malicious content. The presence of numerous unknown URLs further supports its role as a distribution or phishing vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/kc5dmk21518brh2vb4q3i4hsfa/sepopemofefoveguzuxonudiw.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/2mkpaj5mgu50tpqlnj1nkqjnrp/sanujis.pdf
- https://tenekedjieva.com/uploads/file/25094627785.pdf
- http://dalnoboy.net/data/filestorage/upload/files/6866564979.pdf
- http://softwarefactory.nl/images/file/15206581079.pdf
- https://onhimalayas.com/ckfinder/userfiles/files/55584858102.pdf
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/e56f60d602b2c8973596b993d6d85892/negolino.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16080ca9d5a646---3506161974.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca3e18823c---70629085420.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/5cda544bc12ff4a514277cda36884047/wozebo.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/uvhe7pifr7t3orbp5v6ks3b196/82174848986.pdf
- http://novichiha.ru/pic/file/vulodavogibexuko.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b4330b39f50---sobisipojikukufefijad.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/pif2h2hsn5bk3p9oeh30gv69v2/18653843382.pdf
- http://skikk.nl/app/webroot/files/userfiles/files/forem.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebc3c8d787---11583388003.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/98290c214aa1989ec8cd85bc49906542/worapanifuguxavegelaje.pdf
- http://stardentalcare.org/userfiles/file/wigovatoxubukuput.pdf
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/00353987bbf78bdc56d93cb97566228f/favafosaninenimapowevuxi.pdf
- https://jxloanchien.com/style/postimage/file/58003010743.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16071afd74e78f---83444993681.pdf
- http://www.ecostroyservis.ru/File/zomotokaviwetoperosuvogin.pdf
- http://kadernictvo-svetlana.sk/editor_uploads/system/files/28908266879.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=physical+characteristics+of+sharks
- 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_off00016c66.bin50a1176d17c903317147215dc4b4b6b950abc9587ab202423f155bfd49fe3b6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C66 | 17824 bytes |
font_01_sfnt_off00019b1f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B1F | 16792 bytes |
font_02_sfnt_off0001b336.bin4281ed6ff08885e05ca5d3143ba323e945cfb68972cd45bcb1c1ed6d4347c944 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B336 | 10536 bytes |
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