MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_LINK_FARM' suggests the document contains a large number of external links, with 'http://mibesajaku.epizy.com/vewovorugigal.pdf' being a primary example. The presence of embedded URLs, such as 'https://resalured.ru/wix?keyword=structure+of+the+universe+worksheet', further supports the attack pattern of luring users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://resalured.ru/wix?keyword=structure+of+the+universe+worksheet
- https://cdn-cms.f-static.net/uploads/4420448/normal_60436fdedf880.pdf
- https://cdn-cms.f-static.net/uploads/4373769/normal_605dca652ed1b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://mibesajaku.epizy.com/vewovorugigal.pdf
- https://s3.amazonaws.com/jiwisigetizoxif/4046274701.pdf
- https://s3.amazonaws.com/tibitexil/free_printable_blank_wedding_invitation_templates.pdf
- https://s3.amazonaws.com/zevutebulaworel/29598592450.pdf
- https://s3.amazonaws.com/bogeguva/lodajoxu.pdf
- https://1d812fcc-cfc3-4558-a870-56fc5b7f4c2e.filesusr.com/ugd/754d94_e58e538fbccd49679bd4c8de78f4558f.pdf?index=true
- https://s3.amazonaws.com/dezajok/35890586167.pdf
- https://0d3c4653-ec4b-4b04-9c20-59e348ba858e.filesusr.com/ugd/62200f_d45256a81a2e4ea48ec8747df05e00a4.pdf?index=true
- http://vimitafukufes.rf.gd/4416928342.pdf
- https://s3.amazonaws.com/pizexopenaxu/photo_background_apps_for_android.pdf
- https://s3.amazonaws.com/papuja/hp_probook_4530s_drivers_for_windows_10_64_bit.pdf
- https://s3.amazonaws.com/tapexiw/rugojitorexodo.pdf
- https://add83a7c-0e31-48b3-928b-061d82ba9144.filesusr.com/ugd/205ae4_d120192fd3484b7c967eeb4ab1a55c36.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d11f.bin52794650a1977658351a84f0a8ecfdc82fbae2ed2b30bf074031e4ce4f95b840 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD11F | 5048 bytes |
font_01_sfnt_off0000e263.bin5dbc3a71da9a491d77387029d4a0d4b877a8a69c66345bdce44151f301ff696c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE263 | 10436 bytes |
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