MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links pointing to domains that appear to be part of a link farm, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, with ClamAV identifying it as a phishing trojan. The embedded URLs suggest a phishing or spamming campaign, potentially leading to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/123?utm_term=mazatlan+real+estate+guide PDF link annotation
- http://artrosil.xyz/video_games_to_play_while_high7b8bh.pdfIn PDF document text
- http://swiss-gear.store/mysterious_benedict_society_riddle_of_ages_plotjwatc.pdfIn PDF document text
- http://richmaya.site/yamaha_rx-v377_specse4kgc.pdfIn PDF document text
- https://nemaxololele.weebly.com/uploads/1/3/5/3/135304154/8636341.pdfIn PDF document text
- https://kojaresojew.weebly.com/uploads/1/3/4/3/134312518/3008623.pdfIn PDF document text
- http://goossyy.online/3819592715bu7sk.pdfIn PDF document text
- https://pojajowose.weebly.com/uploads/1/3/0/8/130813819/voruzozatufifajawabe.pdfIn PDF document text
- http://about-central.com/75313527200lulb7.pdfIn PDF document text
- https://fuvapevamasazu.weebly.com/uploads/1/3/4/5/134507747/pifaba.pdfIn PDF document text
- http://creditchecktotal.info/7766568436jcv2j.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7820ae38-5c7f-4ba0-9dae-61e6d2a7f779/97230261334.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc224e1c-3fad-4ffa-a11c-6e34a957b990/73766338505.pdfIn PDF document text
- https://s3.amazonaws.com/bezegoluzose/70002666422.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/619eb59c-944f-4585-bf77-04c4c83e394d/nibidizixajakepikusiwi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad3a84ea-1577-44be-903c-1a2e09e8ae3a/vusubozakupatarapokeme.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a15d333-919a-429a-8a40-f0bfb80f3e6c/99185005935.pdfIn PDF document text
- https://s3.amazonaws.com/werowibovezoje/zolexekexukedijajuv.pdfIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/nosivanik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cdc30a00-0878-447a-9635-c7d03f419f5f/9193471203.pdfIn PDF document text
- https://s3.amazonaws.com/sizabo/kidde_nighthawk_carbon_monoxide_detector_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03b767d7-3e1e-406d-83af-04df46a2e016/what_are_the_4_agreements.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd6496e6-6a6e-44cc-8d28-62a432965411/how_to_calculate_pythagoras.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010536.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10536 | 5048 bytes |
SHA-256: 702398888fe5c629b21622f1a00af30c8a88aa8e886811856f3c7b2d36bfc09c |
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font_01_sfnt_off0001167f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1167F | 11608 bytes |
SHA-256: 4ae8fd6b294fee48dd0481ef54b7e82fd89473d1a145c4acbf4d07e0f1646b37 |
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