MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 0.9993
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://xajibur.ru/wix?keyword=vehicle+document%252Falert+notice PDF link annotation
- https://cdn-cms.f-static.net/uploads/4460060/normal_6023bb96cce7d.pdfIn PDF document text
- https://webenewosa.weebly.com/uploads/1/3/1/4/131409170/8811664.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465127/normal_60070020c8f4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403429/normal_6033ed6d3efad.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467017/normal_5ffb9e2aae430.pdfIn PDF document text
- https://legadiduzavof.weebly.com/uploads/1/3/2/6/132681829/nusepige.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445750/normal_604470cd6710c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460688/normal_6020d290e395c.pdfIn PDF document text
- http://jetulugu.iblogger.org/bed_bath_and_beyond_employment_application.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452852/normal_600bd1a596f73.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381094/normal_601e655ec75e5.pdfIn PDF document text
- http://katerevemoposab.iblogger.org/97586496065.pdfIn PDF document text
- http://lafarupikawa.22web.org/are_hillsborough_county_schools_open_on_veterans_day.pdfIn PDF document text
- https://muwikoli.weebly.com/uploads/1/3/2/7/132740525/dolejatuwo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411916/normal_605623edcae93.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381532/normal_5ffcad5361a37.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vumarolewe.epizy.com/27748322411.pdfIn PDF document text
- http://kikisitakas.rf.gd/game_of_thrones_book_in_amazon.pdfIn PDF document text
- http://pakabofenup.epizy.com/56812721537.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf6e1101-9315-46f9-9846-bfbf2269ded1/38470894051.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1bc96a68-eeab-41be-b503-56c328c2ae66/throne_of_glass_castle.pdfIn PDF document text
- http://zulojijokonox.rf.gd/9446991542.pdfIn PDF document text
- http://biborufa.epizy.com/hollow_knight_106_speedrun_guide.pdfIn PDF document text
- http://fukefuxatolu.epizy.com/pogezexafabeliligadedux.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f1d3d6e-7599-4dad-85b2-8fe28a3f47d4/what_does_latching_alarm_mean.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_off0001087b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1087B | 5004 bytes |
SHA-256: 40617163f78c84a0e1c6295ce32c355e9084a69eb88a8c9de8b88274ea824225 |
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font_01_sfnt_off00011954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11954 | 11168 bytes |
SHA-256: 72142712243b9ed826862b7c4667a410a21aa3bdf664306f6004fd92e7cc48cc |
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