MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to disposable hosting services, indicating a link farm or phishing attempt. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://yafferge.ru/123?utm_term=the+practically+cheating+statistics+handbook+the+sequel+%25282nd+edition%2529+pdf In PDF document text
- https://manesufepal.weebly.com/uploads/1/3/1/3/131381078/8041681.pdfIn PDF document text
- https://zodemabu.weebly.com/uploads/1/3/4/8/134896511/6793570.pdfIn PDF document text
- https://cdn.sqhk.co/busibelifiv/hhGhF6C/vagenuxovubilutifumagib.pdfIn PDF document text
- https://nozubewow.weebly.com/uploads/1/3/1/1/131164313/ddbd7844.pdfIn PDF document text
- https://cdn.sqhk.co/lojosewude/237Q0PM/78800162383.pdfIn PDF document text
- https://cdn.sqhk.co/gusisitixinu/r8hjgcj/47648794466.pdfIn PDF document text
- https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/2b017078ff57.pdfIn PDF document text
- https://kenibojowosude.weebly.com/uploads/1/3/5/3/135324683/170816d7fd09e59.pdfIn PDF document text
- https://cdn.sqhk.co/boxadiweteve/a3vVsha/56074711862.pdfIn PDF document text
- http://profapp.pro/facebook_audience_blaster_freemxjkz.pdfIn PDF document text
- https://cdn.sqhk.co/dufelogaruf/hhggLgh/general_knowledge_quiz_answers_quiz_hero.pdfIn PDF document text
- https://buputulu.weebly.com/uploads/1/3/0/7/130738697/2ef74e78955.pdfIn PDF document text
- https://jufavufopu.weebly.com/uploads/1/3/4/3/134340263/supopezux-fuzekiwuta-tuparilodez.pdfIn PDF document text
- http://ru-1.casa/stickman_master_archer_legends_mod_apk_android_1aaxip.pdfIn PDF document text
- http://infonewstravel.com/naziwaremezepdmdzb.pdfIn PDF document text
- https://cdn.sqhk.co/pulafefer/jjgkjil/murut.pdfIn PDF document text
- https://cdn.sqhk.co/niserutom/wLiejaT/mavasiwabuwizisoge.pdfIn PDF document text
- https://cdn.sqhk.co/jagapifa/dkkheii/xunubo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- 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_off0000d809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD809 | 6084 bytes |
SHA-256: 4b6ac365d741a7ad6bdb968a05cf9d6473fa08530fe257855c793da9a983826f |
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font_01_sfnt_off0000ecc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC5 | 10740 bytes |
SHA-256: a8b16100068d3a892d96f75b957e0f3915b26553fee8959d0ce4c155e05898c6 |
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font_02_sfnt_off000111de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DE | 17504 bytes |
SHA-256: b627b223f98bfcaf17e6409171803455b206a40c030d2ada39ba4c12a9b5f336 |
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