MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by multiple heuristics and a machine learning classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme designed to lead users to malicious content. The presence of a 'download button' lure further supports a deceptive user interaction pattern. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of techniques used to distribute malware or facilitate phishing.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://chcial.ru/pbw?utm_term=script+injector+apk PDF link annotation
- https://kuvuwivozud.weebly.com/uploads/1/3/6/0/136091804/kovabegerenised-sekadivowog-lutuvepap-lowubara.pdfIn PDF document text
- https://sekatuzoru.weebly.com/uploads/1/3/4/6/134612973/ruwasedaxiluzev.pdfIn PDF document text
- https://bipovubukixepev.weebly.com/uploads/1/3/2/7/132740720/vudesavalejikuwinema.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408180/normal_60b9474b3daca.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421471/normal_5fc7c780a959c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370530/normal_5fcb92e0706ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366405/normal_5fdd1a79a5622.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370791/normal_602d61115521f.pdfIn PDF document text
- https://mezamelakinates.weebly.com/uploads/1/3/5/3/135304028/5184898.pdfIn PDF document text
- https://jomobezeg.weebly.com/uploads/1/3/4/6/134606819/1239624.pdfIn PDF document text
- https://gufulesem.weebly.com/uploads/1/3/4/6/134698375/9418425.pdfIn PDF document text
- https://zekasujiminog.weebly.com/uploads/1/3/4/3/134366003/lobasotimivogesepix.pdfIn PDF document text
- https://vimosetadasosus.weebly.com/uploads/1/3/2/7/132740377/wiwekafeb.pdfIn PDF document text
- https://puzuzabijil.weebly.com/uploads/1/3/2/8/132814257/gelurulezekix_jerujisabuf_defom.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/1f1b1d02-6615-48cc-832b-46a0d2540c55/secrets_of_the_temple_greider.pdfIn PDF document text
- http://moxulolo.pbworks.com/w/file/fetch/144762888/biluduwojidesaxiziwatavo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a7a61cf-9233-4745-8204-54ff7edbe9d0/witabi.pdfIn PDF document text
- http://nekimijazom.pbworks.com/f/hft_-_och_lr_fettsugning_fre_och_evergreen.pdfIn PDF document text
- http://najapenoz.pbworks.com/w/file/fetch/144653142/52743987983.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/daefc293-4a55-4331-a4ec-2681dbd86080/fatezuxavuralureba.pdfIn PDF document text
- http://lurilimid.pbworks.com/w/file/fetch/144888543/ruduroporepisazedidamoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd8f545b-5c9d-41e7-8ac9-2163aaa4e8ff/polygon_worksheets_4th_grade.pdfIn PDF document text
- http://xosufixemuf.pbworks.com/w/file/fetch/144432630/woriv.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_off0000e179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE179 | 4960 bytes |
SHA-256: 265b6760902968d0360646d324272bf62153513bf1733229fe390dbb306bcb54 |
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font_01_sfnt_off0000f275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF275 | 10600 bytes |
SHA-256: 3d8ddfe1d3171bd82de8d88e0a11046e597023c0a71bbc1e23a7e1447a9627f4 |
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