MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains a large number of embedded links, many pointing to disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. One critical heuristic specifically identified links to known malicious redirector infrastructure.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=come+home+to+roost+expression In PDF document text
- https://tupipukevoluda.weebly.com/uploads/1/3/4/0/134041298/52af82a4d4.pdfIn PDF document text
- http://stickerrus.ru/xetezaderuxukiforuroxutizbklvw.pdfIn PDF document text
- http://teagreen.space/sowobinobirabhds6t.pdfIn PDF document text
- https://wedemewimobuxet.weebly.com/uploads/1/3/4/3/134309086/1863923.pdfIn PDF document text
- http://italylife.pro/masonry_heater_plansozg8j.pdfIn PDF document text
- http://urott-hu.com/1965544531qf1lr.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496602/normal_5feb983368377.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446286/normal_5fcd31d529478.pdfIn PDF document text
- https://ramunigifobix.weebly.com/uploads/1/3/4/8/134891190/jipijiruwebajujo.pdfIn PDF document text
- https://fakivafepupu.weebly.com/uploads/1/3/0/8/130873921/1eebb009e512bd.pdfIn PDF document text
- https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/456973d2e928.pdfIn PDF document text
- https://fepobiwebefu.weebly.com/uploads/1/3/4/5/134592484/8858591.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411696/normal_5ff29ee2673cd.pdfIn PDF document text
- https://sijudunewofas.weebly.com/uploads/1/3/4/6/134696620/9202f7f4ca.pdfIn PDF document text
- http://magic-spring.com/zivitelozipugevenuzamok8t5d1.pdfIn PDF document text
- http://com-signto6.xyz/marififowajotelqljzp.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393901/normal_5ff46c995b6b5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478952/normal_5fd7cf738d655.pdfIn PDF document text
- https://nosozekime.weebly.com/uploads/1/3/4/6/134634018/fadfd2cb8.pdfIn PDF document text
- http://marketop.club/cyberpunk_2077_gameplay_revealq32te.pdfIn PDF document text
- https://fikadodovawewa.weebly.com/uploads/1/3/4/3/134320255/leretega.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_off0000f7c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C5 | 4788 bytes |
SHA-256: eb741e7c7068cca4d6a4f3807e97f3d7e99bbcf71b5c3779f742e3cf3231353f |
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font_01_sfnt_off000107e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E4 | 11968 bytes |
SHA-256: d9515b254ee01ea519c230da756c37001205b7e3e1b557f2419873c46a0b4f24 |
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