MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains a large number of external links pointing to disposable domains, indicating a link farm designed to distribute malicious content or phish users. The embedded URLs suggest a tactic of using numerous external resources to obscure the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://pelibifir.ru/123?utm_term=multimedia+authoring+tools+questions+and+answers PDF link annotation
- https://cdn.sqhk.co/xegunorasu/gNBieVR/10102960544.pdfIn PDF document text
- https://wogalipa.weebly.com/uploads/1/3/4/3/134316604/4398428.pdfIn PDF document text
- https://jevulifed.weebly.com/uploads/1/3/4/4/134457796/2645333.pdfIn PDF document text
- https://cdn.sqhk.co/kupemopo/hfXjagi/zong_ramzan_free_internet_offer_2020.pdfIn PDF document text
- https://vufuredupe.weebly.com/uploads/1/3/0/7/130776381/sanosazerekiz_giwepifokiwixir_podusapisenenu_kevuzifuzi.pdfIn PDF document text
- https://cdn.sqhk.co/xamubana/hiifiaX/gowotef.pdfIn PDF document text
- https://rezibaxuxemabu.weebly.com/uploads/1/3/1/4/131453555/404023.pdfIn PDF document text
- https://nabokopawupanav.weebly.com/uploads/1/3/0/7/130739772/zunoripimoke.pdfIn PDF document text
- https://pimazapodozem.weebly.com/uploads/1/3/2/8/132814260/vowapemipibiminadoso.pdfIn PDF document text
- https://rudazijix.weebly.com/uploads/1/3/1/4/131453676/ce332.pdfIn PDF document text
- https://winofugunolef.weebly.com/uploads/1/3/4/8/134846497/9474029.pdfIn PDF document text
- https://vonuvevija.weebly.com/uploads/1/3/1/4/131407152/db57a2b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414164/normal_602cfe3fd01a0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489724/normal_5fd6db7eafc32.pdfIn PDF document text
- https://xamurifepugep.weebly.com/uploads/1/3/4/4/134484548/menife.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495265/normal_5fd7a60ac815a.pdfIn PDF document text
- https://lolizafopig.weebly.com/uploads/1/3/1/4/131453679/8680396.pdfIn PDF document text
- https://cdn.sqhk.co/vejuwipem/ngiNjgb/kurulelisupida.pdfIn PDF document text
- https://tariroviwobin.weebly.com/uploads/1/3/4/7/134715354/8732650.pdfIn PDF document text
- https://lawuzifelive.weebly.com/uploads/1/3/4/0/134041442/1255039.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e7a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A1 | 5464 bytes |
SHA-256: b74693cdf5215904271bcbe002315ce0b0e68df93e9055805743ef84b1a8bc24 |
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font_01_sfnt_off0000fa15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA15 | 10700 bytes |
SHA-256: f139dc7991ae974710368743baa0a12dd89b4c20b0ef51668987b1ca2e8eec24 |
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