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 0.9998
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://dugedepap.ru/strik?utm_term=q+center+uconn+stamford PDF link annotation
- https://static.s123-cdn-static.com/uploads/4416787/normal_6004fbbb015f3.pdfIn PDF document text
- https://xazapadikud.weebly.com/uploads/1/3/1/8/131871762/ded11b6a4a3f2.pdfIn PDF document text
- https://lotetirupaxep.weebly.com/uploads/1/3/4/0/134013035/6434864.pdfIn PDF document text
- https://bakafogopiwudu.weebly.com/uploads/1/3/4/7/134770300/zikusidakasud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495536/normal_601d25b73968a.pdfIn PDF document text
- https://dusimajigedavim.weebly.com/uploads/1/3/1/4/131453199/122a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382789/normal_60662c6f5eaf1.pdfIn PDF document text
- https://fewidatemuvej.weebly.com/uploads/1/3/4/2/134266352/32ce92862db.pdfIn PDF document text
- https://zojufagilazit.weebly.com/uploads/1/3/0/9/130969654/bukokibesemul.pdfIn PDF document text
- https://kusajigoma.weebly.com/uploads/1/3/6/0/136036420/pavifanales.pdfIn PDF document text
- https://kudokazapa.weebly.com/uploads/1/3/1/4/131452939/7452876.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449424/normal_5fc7f608aedd2.pdfIn PDF document text
- https://rilewinip.weebly.com/uploads/1/3/5/9/135964764/vujaxidebos.pdfIn PDF document text
- https://litefobobufi.weebly.com/uploads/1/3/5/3/135326689/375f385.pdfIn PDF document text
- https://nokojuponamipi.weebly.com/uploads/1/3/4/8/134891784/2603a6.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/ba7930b2-eb38-4fbd-b4f0-4e1288074f76/what_is_error_code_1001.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e563bc73-007e-414d-97e9-3333a59ceeda/the_birthday_book_todd_parr.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e69189b-19c6-47bc-b9a4-9706051fdf2d/74739014249.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/062d6f76-b556-41c7-9092-3151cdcc32ab/toforanezolepe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73ae25a9-9590-4a75-b4f1-74a77cd270f7/resetear_tablet_irulu_expro_x1.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_off0001383e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1383E | 5196 bytes |
SHA-256: 96ef03b659d3a3abd237e3ac1b6d6901977de44a5876b7fadc11c84f61ca6eaa |
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font_01_sfnt_off000149d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149D5 | 11144 bytes |
SHA-256: d906bdf5e134520e9003632424972f4404e3fdc1f9a896a4fe600ee284124c2a |
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