MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it is a malicious redirector, specifically designed for phishing via SEO spam. The embedded URL, https://cctraff.ru/123?utm_term=the+lost+book+of+remedies+claude+davis, is a known malicious redirector. The ML classifier and ClamAV detection strongly support the malicious nature of this file, likely used as a lure for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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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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://cctraff.ru/123?utm_term=the+lost+book+of+remedies+claude+davis In PDF document text
- https://cdn-cms.f-static.net/uploads/4448558/normal_5fe61ac837c36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482216/normal_5fc07955e8ecb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482648/normal_5fcb04e469855.pdfIn PDF document text
- https://cdn.sqhk.co/wufevinek/Ckghjz8/scummvm_games_android.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374857/normal_5ff402a0c101c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383924/normal_5fc92aade8773.pdfIn PDF document text
- https://cdn.sqhk.co/monasomeb/jhijhgL/zeriju.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384144/normal_5fcc57bd9bbe4.pdfIn PDF document text
- https://cdn.sqhk.co/pabukerofo/rhhs7hf/intersection_controller_pc.pdfIn PDF document text
- https://cdn.sqhk.co/badaxiloru/haheZDR/free_skins_and_pets_among_us_apk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/pobixedele/59101428929.pdfIn PDF document text
- https://s3.amazonaws.com/wifozuxeku/12666685466.pdfIn PDF document text
- https://s3.amazonaws.com/toliwudalamem/47992809466.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED99 | 5252 bytes |
SHA-256: e17c173873a58258f3be2cef354361f344ddb6c876d4cb7234a87eee36dcce84 |
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font_01_sfnt_off0000ff7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF7A | 11284 bytes |
SHA-256: a8b440a1b2d74aa638a258f18a1e47ef64b20764d1df27648fb3a8174797a4c1 |
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font_02_sfnt_off000125fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FA | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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