MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution attempt. The PDF contains a large number of external links, many pointing to potentially malicious or SEO-farmed content, suggesting an attempt to redirect users to harmful websites. The document body, though heavily obfuscated, appears to contain keywords related to calculators and educational topics, likely serving as a lure.
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://trafftec.ru/strik?utm_term=fourier+transform+calculator+emath
- https://cdn-cms.f-static.net/uploads/4418762/normal_5fbe692a765db.pdf
- https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/8085188.pdf
- https://pixasowurixes.weebly.com/uploads/1/3/4/9/134904492/8388347.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/68556f37-64e8-4c9c-b49f-0908fd34671d/1895610194.pdf
- https://s3.amazonaws.com/pezofut/cannibal_2019_movie.pdf
- https://uploads.strikinglycdn.com/files/fe24f215-b9d7-434d-bc55-30eb30ea82ef/potsdam_elementary_school_staff_directory.pdf
- https://uploads.strikinglycdn.com/files/856d2504-efa0-4a51-a286-59495e03c477/tri_tronics_classic_70_charger.pdf
- https://uploads.strikinglycdn.com/files/43d1e61c-3367-4688-beb8-ebe267f34a02/tagew.pdf
- https://static1.squarespace.com/static/5fc294b8ea4a794d564fdff1/t/5fc732bca3696915e220754b/1606890172996/viledebidijezufelidi.pdf
- https://uploads.strikinglycdn.com/files/4d45c59b-4fb4-4c03-8801-89b89a9a7503/minnie_mouse_templates_to_print.pdf
- https://uploads.strikinglycdn.com/files/1eca9fa7-2630-459a-9d63-f83174a05054/nori_presto_renton.pdf
- 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_off0000dea9.bin5f8143fa1500a5cfbe39ff17e109fc532c12068b27ddf5fff4df4b3671e9f52c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA9 | 5076 bytes |
font_01_sfnt_off0000efbd.bin9697f3cd6c7e02458a103762fa1942408e34fd83acb3422b780e2fc36f18662d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBD | 12636 bytes |
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