MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector, suggesting a phishing or malware distribution attempt. The document body, though partially obfuscated, includes the URL 'https://ggtraff.ru/strik?keyword=how+to+play+bamboo+flute+pdf', reinforcing the lure. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm indicates an attempt to manipulate search engine results or distribute content broadly.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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://ggtraff.ru/strik?keyword=how+to+play+bamboo+flute+pdf In PDF document text
- http://files.friendsoflifeinthespirit.com/uploads/1/3/1/4/131438018/69723.pdfIn PDF document text
- http://loxabaku.kmoranart.com/uploads/1/3/0/7/130775883/pezesevu.pdfIn PDF document text
- http://wajifowag.tompetteruti.com/uploads/1/3/1/6/131637649/mejibevaxe.pdfIn PDF document text
- http://lefoliwox.sjnelsonpsychologistcardiff.com/uploads/1/3/1/4/131438888/jikijotak.pdfIn PDF document text
- http://files.walkingdapper.com/uploads/1/3/0/8/130873830/jekowu-tuvuvopileren.pdfIn PDF document text
- http://nelufevug.porterrc.com/uploads/1/3/1/3/131381806/9158680.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/57cd1ce5-bd9a-4726-af8a-2cb04bc2ce62/33763656626.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d28bceba-6fc9-4472-8922-84ab9a6cf737/33531202703.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0c80b00-d7d8-41c5-9ba3-c8c1ed4f25b5/loxid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5dc2b3e4-58dd-494e-9812-7a1a323ec0b2/daligidekerixotomolit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f00a122d-3c89-43e1-8e9d-c019cebbc6b4/22789615665.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f80c93c-8e4d-4ab1-a0a5-57bab8f1292b/89343294466.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40e811d2-0c06-4b3d-b210-f161a378a3dc/16114647520.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c22810b-3159-4d13-9de0-56d1e152b722/32093812778.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5bbcc8f9-1dac-41cb-928c-011a290feb19/fixebapafamunab.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_off00006987.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6987 | 5208 bytes |
SHA-256: 8f7285b6c537a893cb958c12940435ca69e5bb9b49e373c025dfff78bc46e94e |
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font_01_sfnt_off00007b44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B44 | 10200 bytes |
SHA-256: ffe9649d0cf559971118b9b740b1ee285513368f4246250402037e0bd7b8ebfa |
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