MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV also detecting it as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to lead the user away from the document to a potentially harmful destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://inwebjor.ru/uplcv?utm_term=electronic+merit+badge PDF link annotation
- http://elite-nails.pl/Upload/file/kovavojepogir.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/xesisikoxijovarulid.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b8eb1382e2d---vuwenajudabakunaw.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b36e96427d1---tufibedotaxaguvuj.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/16b4f4983b10f314c17e562e65aee3fe/diwomalisadefunu.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/426038b551c6ff1ef819834051dda1dc/22579875861.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/eeh5irnbgp0nfe7komb63gavhk/84472256740.pdfIn PDF document text
- http://ahoba85.com/clients/2/26/26d353b61ac95a99d7df5001a3d58300/File/jalulalilabenazizo.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/gafekexagejuxigurizel.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160ab64dddf75f---2447683758.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/p1botdjre25h95qqldaiblqh2q/wufidubeviratok.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/ilvemh7o1d06p2ufftd9ke06s1/89277778556.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cf36bef86---60897741620.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/3dohmef4agu5mc4t5atmu1a9ni/pogenanajufomajowavuge.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/nitunuvigunitufitax.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10130 | 4968 bytes |
SHA-256: eef24d7912a683b64f4514c92013f1dbdba8b0e93318f0ed8575d5b847aaad0d |
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font_01_sfnt_off000111ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EA | 11844 bytes |
SHA-256: aeaece631be4dc8a9c9f6663aa0321920f131c59a9ae580e11960dbac22be91f |
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font_02_sfnt_off000139af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139AF | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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