MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier. The 'SE_CALLBACK_LURE' heuristic indicates it's designed to trick users into calling a phone number, a common tactic in tech-support scams and callback phishing. While no scripts were directly extracted, the PDF structure and embedded URL suggest an attempt to engage the user with a deceptive pretext, likely leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=uva+darden+cost+of+attendance
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/bakoloj/paypal_money_adder_2018_free.pdf
- https://s3.amazonaws.com/mizeteb/isotonico_hipertonico_e_hipotonico.pdf
- https://s3.amazonaws.com/rixevozajixezos/animation_software_free_3d.pdf
- https://s3.amazonaws.com/jodabiladezot/zubopufi.pdf
- https://s3.amazonaws.com/novipaliwid/pla_information_engineering.pdf
- https://s3.amazonaws.com/jowutoneranemuk/pekorufiteri.pdf
- https://s3.amazonaws.com/topipovikapari/presence_of_delinquency_credit_report.pdf
- https://s3.amazonaws.com/saziwijaxodav/pirate_bay_proxy_browser_list_2020.pdf
- https://s3.amazonaws.com/vobuturinivi/jugefumawele.pdf
- https://uploads.strikinglycdn.com/files/cef1dfbb-2e9c-4d13-a949-574f373dfd38/conectores_de_redaccion.pdf
- https://uploads.strikinglycdn.com/files/6118ebef-dbf8-451c-af8c-52e17f88df6f/synonyms_for_another_person.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c6c0.binec861e976842ba47a0a22e1e9625843149a12184ede7464b3880fcf1f16cc725 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6C0 | 4776 bytes |
font_01_sfnt_off0000d6fe.bin73550f700181aaa88df3930ee15eb39c6a24fa92cba51c3a3ee40b7693944abe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FE | 10408 bytes |
font_02_sfnt_off0000facb.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACB | 4324 bytes |
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