MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to benign-looking PDFs, but also includes a suspicious URL (trafficel.ru) that is likely part of a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate maliciousness, classifying it as a phishing trojan. The document body, though heavily obfuscated, contains a question about income statement order, suggesting a lure to engage the user and direct them to 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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://trafficel.ru/123?utm_term=which+is+the+correct+order+for+items+to+appear+on+the+income+statement%253F
- https://tofibozuliven.weebly.com/uploads/1/3/1/1/131163910/zupazibi_suxegudedadix.pdf
- https://cdn.sqhk.co/kemuxilajig/iaKYyij/34.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/dbcd526e-4175-447a-bfc3-2962a726a2ec/bucket_hat_pattern_free.pdf
- https://s3.amazonaws.com/sezewu/tokagosizise.pdf
- https://s3.amazonaws.com/retobifulipo/rixodowirofesigep.pdf
- https://s3.amazonaws.com/fonibinaraj/gajijinovezojudosileki.pdf
- https://s3.amazonaws.com/xomudufe/meal_planner_and_shopping_list_template.pdf
- https://uploads.strikinglycdn.com/files/dce11547-a8d6-4567-b66c-1e863464de57/diamond_rush_temple_adventure_mod_apk.pdf
- https://s3.amazonaws.com/jezobasit/nujowujew.pdf
- https://uploads.strikinglycdn.com/files/720fb426-15af-40e1-b6e1-994202e060d1/tawanokuxajazakevig.pdf
- https://s3.amazonaws.com/fewifuwu/vpn_ios_7._1._2.pdf
- https://s3.amazonaws.com/fowikorejodi/gmail_email_templates_with_attachments.pdf
- https://uploads.strikinglycdn.com/files/6b31d983-c8a0-4fe4-989f-248694530df2/totuviwejopavolu.pdf
- https://s3.amazonaws.com/fowikorejodi/ph_phonics_worksheets_free.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_off0000e99e.bin1b21358dd1b2661251f0ee76f6335c511425c5021d748537f665b7c7236ae054 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99E | 5520 bytes |
font_01_sfnt_off0000fc43.bin110f154a020735ae28cfa3462897ea15cfa8f157c8c09e2e6dca5d2db2575c6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC43 | 11332 bytes |
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