MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. It contains a large number of external links, many pointing to disposable hosting services, suggesting a link farm designed to redirect users to malicious sites. The primary URL, https://crewmak.ru/pbw, is likely part of this redirection chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://crewmak.ru/pbw?utm_term=inventario+de+rasgos+temperamentales+preguntas+pdf PDF link annotation
- https://ruwiderok.weebly.com/uploads/1/3/4/8/134891429/6822473.pdfIn PDF document text
- https://nuzunuge.weebly.com/uploads/1/3/5/3/135399682/703f5.pdfIn PDF document text
- https://matubupediguja.weebly.com/uploads/1/3/4/1/134131452/roweva.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401540/normal_5fec8a9cde255.pdfIn PDF document text
- https://fibukumaguwin.weebly.com/uploads/1/3/4/7/134770434/mogumepavug.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471250/normal_602724b29da35.pdfIn PDF document text
- https://samomalekadoj.weebly.com/uploads/1/3/1/4/131438786/1537447.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475215/normal_600890989286e.pdfIn PDF document text
- https://baresifesej.weebly.com/uploads/1/3/4/1/134131831/koxivis_xaxujos_raleruzuteje_dirudupuwe.pdfIn PDF document text
- https://nolipugi.weebly.com/uploads/1/3/4/6/134652161/lezuvebosekuzipewita.pdfIn PDF document text
- https://vororesefuvemux.weebly.com/uploads/1/3/0/8/130813496/damotujimusup.pdfIn PDF document text
- https://tizidebiwefixim.weebly.com/uploads/1/3/0/7/130739379/f47fef12a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419826/normal_5fef7c246bfe4.pdfIn PDF document text
- https://xomowozijirogap.weebly.com/uploads/1/3/4/6/134667332/fabolo-lovijikevi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pitevaj.pbworks.com/w/file/fetch/144423060/pokemon_randomizer_nuzlocke_nds_rom.pdfIn PDF document text
- http://sodopateduke.pbworks.com/w/file/fetch/144419952/sadexegizalafomozexoko.pdfIn PDF document text
- http://wuvebag.pbworks.com/w/file/fetch/144425073/vaferavemaxifixagun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53730a43-be30-4710-9505-693e7ba27577/vasevafunetozedowur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61cd8ded-c123-41ce-82c9-98a574868720/height_adjustable_desk_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6df1e263-eb34-4412-936e-42ded32324f4/rodepig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2cd9b58-0477-443d-b054-4f9089b10579/sadixirubevof.pdfIn PDF document text
- http://viluxese.pbworks.com/f/how_to_exercise_transverse_abdominis.pdfIn PDF document text
- http://visetululiv.pbworks.com/w/file/fetch/144425295/blockman_go_mod_apk_unlimited_everything_download_latest_version.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_off0000d1bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1BD | 5360 bytes |
SHA-256: 16921f75db5c99d1788d6523b029b88199f63de1eb0aba5e4e57157d329f206f |
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font_01_sfnt_off0000e3ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3ED | 10788 bytes |
SHA-256: 72281cc806e2ac163bd236a07a4ed14130fd264eaf6f2d82f15055f1d5ec75be |
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