MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, characteristic of a link farm used for phishing or malware distribution. The presence of external URI indicators and compromised CMS upload links further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://smidgel.ru/uplcv?utm_term=agra+is+famous+for PDF link annotation
- http://xn--nellieskche-0hb.de/userfiles/file/67389930199.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vewivubus.pdfIn PDF document text
- https://avela.md/userfiles/file/30336638817.pdfIn PDF document text
- https://nguyenhungstone.com/uploads/image/files/zitekama.pdfIn PDF document text
- http://belst.by/upload/file/bamojimoduvinosakonogemib.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/wowizexesexuzisekiwosipo.pdfIn PDF document text
- http://pc-driver.ru/userfiles/files/rolifivonuwafuz.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/zoxekumemigaxa.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613803afcfc4b---35790209157.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/vegeguvewowadidubedef.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/tudelutaporitixevasozar.pdfIn PDF document text
- http://marupi.de/UserFiles/File/73998204854.pdfIn PDF document text
- http://farashimirooz.com/files/75619724154.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/56960722808.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/htt666hmhg40qd2td9chuidu60/54551900276.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/nlooar0qu37koof087n4tuia3c/lodudipidiwodazopaweto.pdfIn PDF document text
- https://rafaela-motores.com/userfiles/file/tigosuz.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/69122547619.pdfIn PDF document text
- http://mijinmotor.com/fckeditor/userfiles/file/58380851477.pdfIn PDF document text
- http://gpsputhuppally.com/userfiles/file/ruxivubatodafo.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58297544719.pdfIn PDF document text
- 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_off00010512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10512 | 21352 bytes |
SHA-256: 58cd1069b3e1631ba22e5e3972529a0d76ebdf19720f3c7926e165078faf1684 |
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font_01_sfnt_off00013cce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000154e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154E5 | 10260 bytes |
SHA-256: bc097800108154db36ad728869935f9db7762367242127f93db44d831a666915 |
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