MALICIOUS
256
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many of which are identified as SEO redirectors or viral-video clickbait, pointing to suspicious domains like maypoin.ru and myirn.icu. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The document body, while appearing to be about word games, is a lure to disguise the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINKDocument uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://cdn.sqhk.co/gipagigo/fvXgcQZ/runescape_halloween_2020_event_guide.pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4385020/normal_601cdb5e7954d.pdfIn PDF document text
- https://mulibini.weebly.com/uploads/1/3/4/8/134881685/sorufofonu_josegazikixaj_dufugamunonoduv_sotemakozomepif.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470526/normal_5ff1925954638.pdfIn PDF document text
- https://reravojune.weebly.com/uploads/1/3/1/4/131406269/6b3971aa.pdfIn PDF document text
- https://cdn.sqhk.co/zurefaxenov/ieJdVid/23085791001.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465543/normal_5ff714b63eea3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459180/normal_5ff034327a45a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454673/normal_60204aedcbd9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366022/normal_601fb6ae2afdf.pdfIn PDF document text
- http://myirn.icu/13567909390k07pw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381964/normal_5fd61008c8b18.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393503/normal_5ff9729867eb7.pdfIn PDF document text
- https://cdn.sqhk.co/xafukapewe/gKiggei/22537771985.pdfIn PDF document text
- https://maypoin.ru/wix?keyword=chemistry+elements+word+whizzle+answersPDF link annotation
- https://cdn-cms.f-static.net/uploads/4469359/normal_6029dd8a82ee2.pdfIn PDF document text
- http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000ecc4.bin)
- http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000ecc4.bin)
- http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000120e5.bin)
- 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 extracted file (font_00_sfnt_off0000ecc4.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC4 | 5120 bytes |
SHA-256: 946b6eb957b02e30d601d6ad8a3b380cada11b7e49826a8810ef5d543f65486d |
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font_01_sfnt_off0000fe1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE1F | 10148 bytes |
SHA-256: 43e54883fd9f9f6969ef22016a6f5405d22b0316ea979528dfc6d89f4d6f2733 |
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font_02_sfnt_off000120e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E5 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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