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 0.9996
Heuristics 6
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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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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://jacksth.ru/award?keyword=ultracentrifugation+definition+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4418184/normal_5feba47acf343.pdfIn PDF document text
- https://giravegide.weebly.com/uploads/1/3/2/6/132681237/874848d.pdfIn PDF document text
- http://beremoter.online/75002542810fclt8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412570/normal_605c70417635a.pdfIn PDF document text
- https://pogedufofow.weebly.com/uploads/1/3/4/5/134512351/datojepage.pdfIn PDF document text
- http://reduslimitaly-ufficiale.site/samsung_smart_tv_powered_by_android4py41.pdfIn PDF document text
- https://bopunesarikimar.weebly.com/uploads/1/3/1/4/131453984/telitavuxe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388432/normal_60253b4d08158.pdfIn PDF document text
- https://votorivoxezi.weebly.com/uploads/1/3/4/0/134095847/gilibut_lufomaf_laral_nibatasiv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445555/normal_603eb53c38fdc.pdfIn PDF document text
- http://gezowipefu.22web.org/35303580492.pdfIn PDF document text
- http://vizit.store/zixujaforavanuwajumovap9g91u.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
- http://leribilif.rf.gd/badlapur_songs_320kbps_djmaza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f4fa66a-f895-4eb4-bfaa-5eed08c6089f/girakufidume.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/557e8efe-39c5-496a-b816-25babbf4b58b/what_are_the_key_elements_of_a_poem.pdfIn PDF document text
- http://xetupukofomapi.rf.gd/human_anatomy_and_physiology_lab_manual_13th_edition_fetal_pig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c1ec732-09a9-4fd3-8e14-470c547f0039/96849715679.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2b8e8db-4fac-4ecd-b302-ca853aa16050/sobopipo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7eb6184-e39a-4865-a3c1-36e44997436e/what_is_dark_they_were_and_golden_eyed_about.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/380a4dc7-77ac-456b-845b-6ad19bcea484/zezodapuponase.pdfIn PDF document text
- http://wojotefeva.rf.gd/hvac_load_calculation_excel_sheet.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_off0000db6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB6F | 5016 bytes |
SHA-256: a1b2fb296b65227399661307ffeb37411bbc4a633530af6b95e635292d5e1a28 |
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font_01_sfnt_off0000ec7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7F | 11796 bytes |
SHA-256: 653d6e6a962bd134586e6b24c365f4314a7037f712105205444dd1a7be2a04df |
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font_02_sfnt_off00011338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11338 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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