MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://coretry.ru/pbw?utm_term=brawl+stars+hack+mod+apk+download+latest+version PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369782/normal_602e7797f1973.pdfIn PDF document text
- https://sepiboberad.weebly.com/uploads/1/3/1/1/131164555/mojurar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456699/normal_6016fa19b949f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407729/normal_6007ed0b8ee75.pdfIn PDF document text
- https://mixozanuzobese.weebly.com/uploads/1/3/5/4/135400893/vuduj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369304/normal_6020d7c986961.pdfIn PDF document text
- https://jugikezifu.weebly.com/uploads/1/3/4/6/134654678/43c48d20.pdfIn PDF document text
- https://febukorev.weebly.com/uploads/1/3/4/3/134325382/02e28bcc.pdfIn PDF document text
- https://sivabukejiwija.weebly.com/uploads/1/3/4/4/134459056/muferufe_wuxiwevupusok_rokizeb_lomuvogotowadi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466659/normal_605c2add23dbf.pdfIn PDF document text
- https://kesoxebexug.weebly.com/uploads/1/3/2/6/132681937/5419029.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484993/normal_5fc94677f26f1.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/6d9f68a5-3262-4ef8-9d35-4ae73029ef43/38605312003.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73c6ff50-57ad-42e9-999f-a9aa12817e96/27501820900.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/375ad8fd-3e94-44af-8329-fe727114e2b1/why_are_english_words_spelt_differently_to_american.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0cddbac9-2d7d-4784-ba58-a480aa164362/nys_dmv_drivers_permit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87fde192-f8d1-4e8f-b328-f3b7c60ba6ce/alcoholics_anonymous_meetings_winston_salem_nc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ba5d3e8-3d8e-4d2d-a8fb-d0f0f9250116/80512704307.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c6bd3fc-0860-4bdf-acb7-3f308feb2611/wuxisirorokexatuxije.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42245f0d-d5d5-4288-8467-48f1b83fc29c/ti_89_calculator_vs_ti_84.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92fe815d-6086-4c67-893f-8490c72c7b3a/19262070067.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_off0000e87c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE87C | 5580 bytes |
SHA-256: aff4a330ec07c442dfd6cb4da54635571ab85cc2f5a6992ceaf700adfec1b887 |
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font_01_sfnt_off0000fb60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB60 | 10888 bytes |
SHA-256: b23ff10a96fb37825958458e02dae150468e7e816a33e69be6651bc0b3d7846a |
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