MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as a link farm, containing a large number of external links to other PDFs. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, which is unusual for a typical user-facing document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://midufefew.ru/strik?utm_term=what+god+is+thor%2527s+father PDF link annotation
- https://pirulilepeno.weebly.com/uploads/1/3/4/0/134040853/214fe48e29.pdfIn PDF document text
- https://luseviji.weebly.com/uploads/1/3/5/2/135298280/8548704.pdfIn PDF document text
- https://zumusikibalagop.weebly.com/uploads/1/3/4/0/134096359/xitaxanox.pdfIn PDF document text
- https://xuxufidumexed.weebly.com/uploads/1/3/2/6/132681394/kiwutuwaz.pdfIn PDF document text
- https://getiwojaxewife.weebly.com/uploads/1/3/4/0/134012456/jixevakibiremo.pdfIn PDF document text
- https://zukodefikarux.weebly.com/uploads/1/3/4/4/134498552/ad37c71a553d.pdfIn PDF document text
- https://pezawixutumef.weebly.com/uploads/1/3/1/1/131164564/73386.pdfIn PDF document text
- https://zemonawajut.weebly.com/uploads/1/3/4/6/134688337/6851976.pdfIn PDF document text
- http://naxenavuk.22web.org/natedeselamulutabej.pdfIn PDF document text
- https://federadedeladol.weebly.com/uploads/1/3/4/6/134626130/4233772.pdfIn PDF document text
- https://laxonetamaj.weebly.com/uploads/1/3/4/0/134096763/7125163.pdfIn PDF document text
- https://fuzimisadu.weebly.com/uploads/1/3/5/3/135319831/nojuj.pdfIn PDF document text
- https://rutikaxa.weebly.com/uploads/1/3/0/7/130738846/xotuwugotutive.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lelixik.epizy.com/tunufasowut.pdfIn PDF document text
- https://9fbaa0db-fe9e-443e-b503-3d02ea494c21.filesusr.com/ugd/d417e9_ff24b386388d44e3acd8c0a6fff589fa.pdf?index=trueIn PDF document text
- http://kuxixatizoxop.epizy.com/1100513615.pdfIn PDF document text
- https://84d655c4-d84a-4a0c-9c32-0387925bd622.filesusr.com/ugd/6233da_a36a650864f145de9c8374915ad159e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dff235ac-0a50-4427-bf49-b169fd22464f/how_to_install_sena_on_helmet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38aa93df-4192-4b6c-9d28-e12c235e4415/43059889287.pdfIn PDF document text
- https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_1e95ffb07e294e45bdab135fb8faac9b.pdf?index=trueIn PDF document text
- https://189c2d36-84ff-4b81-9465-96c33c1d3b91.filesusr.com/ugd/35ddae_1975b0ef9937451b96de5769644598c5.pdf?index=trueIn PDF document text
- https://2a983b51-2e13-4971-8c1f-a5bca3ab4353.filesusr.com/ugd/e1a791_e7f9d33be72a46d896462b222cdc0749.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/55e83a86-a319-429d-8eb1-75d2a0382a20/44676583732.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_off00011900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11900 | 5184 bytes |
SHA-256: d776c5681ef181248a448e97ddf02fedad841c85596fc682f20969add1a496da |
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font_01_sfnt_off00012ab3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AB3 | 10220 bytes |
SHA-256: 87f371f0850d2114fb8f8dd645f0fd17d9e4c741b9970e8b6ad49e08fb2f64e3 |
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