MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to known malicious redirectors or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan. While no scripts were extracted, the embedded URLs are the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://dafemum.ru/strik?utm_term=hoover+floormate+deluxe+hard+floor+cleaner+manual In PDF document text
- https://cdn.sqhk.co/gozafavapawu/ghgeWih/icy_hot_patch_side_effects.pdfIn PDF document text
- https://cdn.sqhk.co/togixulala/gchddih/google_chrome_extension_video_stream.pdfIn PDF document text
- https://cdn.sqhk.co/binimazov/hightij/android_objectanimator_example_tutorial.pdfIn PDF document text
- https://cdn.sqhk.co/pigexebobe/giWjaoD/82655156598.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496148/normal_6054b4cd89c5d.pdfIn PDF document text
- https://cdn.sqhk.co/wuvevevef/eNV7hiT/mirobo.pdfIn PDF document text
- https://cdn.sqhk.co/denidugabuni/j3p0ZGR/school_quiz_answers_persona_5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491670/normal_605050057bb3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482399/normal_6031e9824d40f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376866/normal_6046413b30987.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444374/normal_6036d9cab75c9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://11fe2947-f393-4df3-905d-f9f3730e834a.filesusr.com/ugd/b1b16e_b49ef4aa909c45f58e33a69e0f2c48d2.pdf?index=trueIn PDF document text
- https://329f26c8-0235-4118-8622-173d264d9cf1.filesusr.com/ugd/221f3a_3b99fa0640f64ae282d4f327df74a66d.pdf?index=trueIn PDF document text
- https://e012ec00-e8e8-475f-a96b-80cab2ad705b.filesusr.com/ugd/3f1139_c551b4bdad3b4c56972f907c24c1a816.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/264812b9-4121-410f-b3c3-f789d86413e3/74131400105.pdfIn PDF document text
- https://e9593579-f51f-4dc6-af55-2543ab512b45.filesusr.com/ugd/37952c_1f1b445dbfd04ab0b46b28bc09cd40cf.pdf?index=trueIn PDF document text
- https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_b473ebddac204ec6a27037c1f0e7c22e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8bf8c40d-e19a-4236-b03d-42772ee2ec64/how_to_get_jersey_mikes_delivered.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9686ab4-6a25-44ff-b506-9b78db9b3ce8/totaline_thermostat_p374_reset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9548742d-8d9b-4fc9-9604-6fd968163692/jekume.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8242dcee-d656-419d-a6c6-ed53e07c3527/poulan_pro_bvm200vs_fuel_line_replacement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00e7454b-affc-4c39-a2ce-2e06f490fb0a/the_graveyard_book_lesson_plans.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://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_off0000d58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58C | 5172 bytes |
SHA-256: e631d43b2a750092df80a4261243e4cf0d98f9c1462c17c6eea98e08a4fb4c51 |
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font_01_sfnt_off0000e701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE701 | 11636 bytes |
SHA-256: 5956a262606821240669d9ba704271ec84edd7684d88e87adb23a4c2cc2ca60f |
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font_02_sfnt_off00010dc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC3 | 16232 bytes |
SHA-256: b2cbfceaf44fc4a56d1321c5677f125dfbde6a5f8c873b6a17361dd7c2aa5302 |
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