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 0.9993
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://wastran.ru/pbw?utm_term=frank+edwards+welcome+to+zion PDF link annotation
- https://cdn-cms.f-static.net/uploads/4378378/normal_606c45dd4affe.pdfIn PDF document text
- https://duwujesipegon.weebly.com/uploads/1/3/4/8/134883919/ketoduj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413223/normal_5fe676d7348de.pdfIn PDF document text
- https://mimuromujalu.weebly.com/uploads/1/3/0/7/130739347/kesewibatuxeje.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411228/normal_6068bc5d5c6d3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391008/normal_5fd03cff65129.pdfIn PDF document text
- https://dekodisiga.weebly.com/uploads/1/3/6/0/136051758/siwin-mamevubu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462345/normal_5fe0358cb771b.pdfIn PDF document text
- https://kofasarafafe.weebly.com/uploads/1/3/5/3/135390193/7c4983.pdfIn PDF document text
- https://ladulokepalixu.weebly.com/uploads/1/3/4/8/134878898/dimupiru.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483359/normal_5fce46383faa7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462362/normal_603945aeab5da.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380700/normal_6006c7f31bd06.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/3775666d-b80e-4d60-b989-cb431345619a/libobuzisazuw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c6d638f-62b9-4127-9b3c-bb44dfda1a75/63872999758.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b192d79c-997e-4e46-ac27-a293e0190ed0/81591615984.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ef31f40-8eb5-4c17-96d1-b2a664e13d35/93217173956.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54a423c3-d329-45e3-9735-1287ad4e225c/97115533884.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4b5606c-bfb9-4595-91d8-c475bd320402/penalipijatox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0cc862a1-d033-42ee-bd3b-a784999cfafb/how_to_install_britax_hi_liner_booster_seat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e94fd519-f0e5-41c8-b6e3-c5a64f5e7b0d/dogenon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/065d791a-edaf-4316-a6fb-62c7950c8be6/bruce_lee_cause_of_death_yahoo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e38d57cc-e880-4011-a7b4-3db3f5c878c6/rugilibefivuvodu.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_off0001b5d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B5D8 | 5248 bytes |
SHA-256: fefafbcabf2f3f8c0e3d044174d1bf9e1dfda7dc2cd0adefbcf789d1a9d4367f |
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font_01_sfnt_off0001c7ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C7BA | 12852 bytes |
SHA-256: e3f3c128d8345bd8c892960f72a6ede2b3a1a501c63e027df7abbed93b3dac4b |
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