MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL targets indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe5eb5aaa0---kitaretaxapekonomol.pdf In PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4794664743---wimuranijuvamen.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/4o3ui5huj498nerc1ffm3a11p6/82759320119.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/30243979909.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/d5a13edb3bbbf2befedd1aba4082b919/90005273612.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a68952ba6d4---75578053470.pdfIn PDF document text
- http://davidlbrooks.com/clients/868292/File/ganakesewidexerazopunel.pdfIn PDF document text
- https://bawwabatrizq.com/userfiles/file/18979065528.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b852340ca31---79669059541.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/sn7cr0m2t1at0pk5get3b7gduh/8169361788.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/bexexazuzesuwos.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b45743fc4---wubigak.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710440b8d13---1260176694.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/aml326uqg7r89rrmno0psjv817/45181057615.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/3lfkh68shbbd5hfj11ft7o4g5r/luwupizogisexelebilewozan.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/a4buko7sor08sjvsekfutucpq7/gijagexa.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/74694413756.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/m6c87d4httce7doj5varl5jds4/11956082678.pdfIn PDF document text
- http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/vosarimumugepamamek.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/1ofmqvh8mouvdtt3gd5o87d3li/mapuraxeterovafuko.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/93009139678.pdfIn PDF document text
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/5039133345.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=text+to+ascii+codePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CD | 18104 bytes |
SHA-256: 50bc0caec46451d421df73e03bbb17269c9a8b819354724f36c32c428fd36a99 |
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font_01_sfnt_off00011176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11176 | 10180 bytes |
SHA-256: 72c78f9e8210f7f8d922320cf90cd0e2be881e1a6a3f544d0a14f972d1f15f67 |
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font_02_sfnt_off00012875.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12875 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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