MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though obfuscated, contains a URL that matches the redirector. The presence of a large number of external PDF links suggests an attempt to create a link farm or distribute content through a compromised or malicious infrastructure. The ML classifier strongly indicated maliciousness.
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://ttraff.ru/pify?keyword=python+generate+barcode+pdf In PDF document text
- http://files.juliamorizawa.com/uploads/1/3/0/8/130814680/butawiguluvis_gotejabakowod_dovixil_vapabika.pdfIn PDF document text
- http://files.wibimassage.nl/uploads/1/3/2/6/132682913/8369571.pdfIn PDF document text
- http://migezu.pwcyoga.com/uploads/1/3/0/8/130813834/0584f65.pdfIn PDF document text
- http://gasowelin.spusdvisualarts.com/uploads/1/3/1/8/131871991/0aa9e29cb1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6359/7466/files/ascomycetes_reproduction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0965/4434/files/247spidersolitaire_2_suit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8844/5591/files/1994_ford_mustang_owners_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0949/9558/files/30859871697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9826/6016/files/34103345983.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5224/2856/files/business_plan_for_software_development_company.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1801/8203/files/5381549402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2741/2645/files/absceso_periapical_y_periodontal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42778697636.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0346/2303/files/masigimuvaluxogutuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2172/8930/files/govome.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8160 | 5452 bytes |
SHA-256: f93ca1f072f1251aa4acb2520340c094368f53202f0479f3d84ca79120561f70 |
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font_01_sfnt_off000093df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93DF | 10836 bytes |
SHA-256: 94e3c933ef6c914dcc610845f9add6ec3c5e3299cc8fa3f33ec3c13daa43a8f6 |
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font_02_sfnt_off0000b933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB933 | 16092 bytes |
SHA-256: 9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2 |
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