MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, flagged as a link farm, with one prominent URL pointing to a potentially malicious domain. The document body, though heavily obfuscated, suggests a lure related to Excel calculations. The presence of a 'Macro/content-enable lure' and 'Password-protected archive handoff' heuristic indicates the document is designed to trick the user into enabling content or handling a password-protected file, likely to facilitate the download and execution of a secondary payload. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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://seumenha.ru/strik?utm_term=how+to+calculate+uncertainty+of+measurement+in+excel PDF link annotation
- https://cdn-cms.f-static.net/uploads/4487625/normal_605cb4633549d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383295/normal_604666f094b80.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496571/normal_5fe31c77d12d6.pdfIn PDF document text
- https://dujomujur.weebly.com/uploads/1/3/4/8/134883281/wusigobezosi.pdfIn PDF document text
- https://ditikoxariwifip.weebly.com/uploads/1/3/4/6/134636805/5117193.pdfIn PDF document text
- https://lovaxases.weebly.com/uploads/1/3/4/6/134685664/diroz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424024/normal_5ff4306f8cb39.pdfIn PDF document text
- https://lokowukaf.weebly.com/uploads/1/3/4/3/134315315/0619d0b3c320cc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/5ffc1345-4e1e-431e-a7ef-f69d5a472483/kenmore_90_series_gas_dryer_motor.pdfIn PDF document text
- https://s3.amazonaws.com/mexijegedakol/nixedemeroroloz.pdfIn PDF document text
- https://s3.amazonaws.com/punurum/android_studio_switch_kotlin_to_java.pdfIn PDF document text
- https://s3.amazonaws.com/votuweroxigezog/nemozat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f9c42bd-ec21-4301-abdc-e059c31e2efa/soxiwirimusi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8cce5e0c-1c50-4e8d-8abe-488bbf03e4ab/793104523.pdfIn PDF document text
- https://s3.amazonaws.com/wudibirewuduto/54525322645.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8feef03-0aa8-420e-bc91-e78943a1e4a3/10583086629.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e15c59e0-f8dd-4bad-ad31-dadcacbd2422/pafetejexolemazogan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3958684e-f3bd-40f1-ad63-f5cc5384c727/how_much_does_scooter_service_cost.pdfIn PDF document text
- https://s3.amazonaws.com/timeziso/71800421985.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8b72f24-245e-4a5e-9ae1-84fd93fd7322/is_vicks_humidifier_ok_for_babies.pdfIn PDF document text
- https://s3.amazonaws.com/fogibi/medical_terminology_free.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001182d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1182D | 5132 bytes |
SHA-256: ca174a14de0eb24fa70111da811ce2947ba165e66af5676e3619bbb865694cf6 |
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font_01_sfnt_off0001299c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1299C | 13740 bytes |
SHA-256: 021ea85d0e184cf9ea0e55c9ef96084c13f8a367da0baa81f320f9e5ca3d651b |
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font_02_sfnt_off00015605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15605 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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