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-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://bologen.ru/strik?utm_term=app+para+baixar+jogos+hackeados+android+2020 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4382961/normal_5fda7599e076c.pdfIn PDF document text
- https://sufusaripowo.weebly.com/uploads/1/3/1/4/131437865/bemen.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365547/normal_5fd76d58dee9f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405184/normal_601437a361300.pdfIn PDF document text
- https://bozixezexa.weebly.com/uploads/1/3/4/8/134861503/6734170.pdfIn PDF document text
- https://kosazalosir.weebly.com/uploads/1/3/2/8/132815054/lazipefobezuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495392/normal_6046004f48163.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426073/normal_6041fe28a6c66.pdfIn PDF document text
- https://xaporavuxeboj.weebly.com/uploads/1/3/2/6/132695407/dativuja.pdfIn PDF document text
- https://bupafenanibud.weebly.com/uploads/1/3/4/0/134042845/kokuterogijug.pdfIn PDF document text
- https://dozojabipow.weebly.com/uploads/1/3/4/0/134012686/zuneku_kawejitizidotu_bitom_fapexibod.pdfIn PDF document text
- https://vezafowifav.weebly.com/uploads/1/3/1/6/131637603/1617578.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470221/normal_6040f4324aff9.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/2ee0c1a0-98d4-42a9-9568-a961a2d460ea/vexenorezurusazef.pdfIn PDF document text
- https://s3.amazonaws.com/nitizobuv/final_accounts_format.pdfIn PDF document text
- https://s3.amazonaws.com/kifutizijebuj/19769288344.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/acd64c78-1131-406f-9082-3288291519cb/remington_870_express_compact_jr._shotgun_for_sale.pdfIn PDF document text
- https://s3.amazonaws.com/nakuzafol/60371363693.pdfIn PDF document text
- https://s3.amazonaws.com/fujadabez/where_to_get_free_forklift_training.pdfIn PDF document text
- https://s3.amazonaws.com/wudibirewuduto/fakugi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4042dd93-d0df-4b88-ad8f-34efcfb442c9/hyundai_elantra_alarm_randomly_going_off.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_off0000f22c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22C | 5916 bytes |
SHA-256: 5a779b58c0adb86abc26e95ea5d65ea1620450b4a4b8ad9aa367af5ce7fd829f |
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font_01_sfnt_off00010656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10656 | 13128 bytes |
SHA-256: 32e953096cdefca5295fa38d1a7935fde5843c248d5934f7f2ad2e3ab8f1c899 |
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