MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The embedded links, including 'https://ttraff.me/pify?keyword=bokanovsky+process+definition' and numerous others pointing to PDF files on various domains, suggest a campaign to distribute malicious content or phish users. The document body contains garbled text and a URL, further supporting the malicious intent.
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.me/pify?keyword=bokanovsky+process+definition In PDF document text
- http://files.restaurant.nomadsadventurequest.com/uploads/1/3/0/9/130969811/6078166.pdfIn PDF document text
- http://vikukijez.biblethought.net/uploads/1/3/1/4/131454057/2620303.pdfIn PDF document text
- http://files.nwexplosion.org/uploads/1/3/2/6/132682063/fevedabavututanu.pdfIn PDF document text
- http://files.bohemianstudios.net/uploads/1/3/0/8/130814052/1415911.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ba7f9986-dd60-48b8-a6df-c6bc62862cc7.filesusr.com/ugd/87b9a8_405cca3b282f422a987661d58d3ab075.pdf?index=trueIn PDF document text
- https://5a250e71-1062-4c36-a04a-317aff2ce60b.filesusr.com/ugd/7a359d_ba354948f02640cc9a690455a2af201b.pdf?index=trueIn PDF document text
- https://43cfd21f-555b-4bd5-843d-69969cc86b67.filesusr.com/ugd/c1108c_4c02ff9e94744475bf95a295a9a3b554.pdf?index=trueIn PDF document text
- https://3d067792-b5b6-4018-ad7a-eea5e74e6a3a.filesusr.com/ugd/9ec29b_22e45e8d178843fdb9b3a8a557ff8ae1.pdf?index=trueIn PDF document text
- https://4e3232b2-26d2-4b8e-b8c4-5defc0cc80d1.filesusr.com/ugd/0582e0_9da4980fe846496eb3aa43eb4d9e96ea.pdf?index=trueIn PDF document text
- https://fe0d27a4-6f30-442b-a252-f4c04786ebe1.filesusr.com/ugd/9e41f0_625a28c412b04cfbba69a2b6d202a64c.pdf?index=trueIn PDF document text
- https://af14693a-4c03-47bf-b049-d47878032811.filesusr.com/ugd/5a4aad_72308bce277d4fbcb0c737ee497f46ae.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6626/9600/files/sagewokizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/tibemakulinesaludit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/6747/4855/files/magento_2_certified_developer_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9712/0151/files/house_cleaning_chart_template.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_off0000664c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664C | 5392 bytes |
SHA-256: 287980133e133b7e97a9f6a9a7df07c42c5b615ed13058dbb16f4dc17c80a9a5 |
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font_01_sfnt_off000078ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CA | 10080 bytes |
SHA-256: 6786aeffa76c5563d22a581730829ab8960523e5926229c3f025fb5dd08dd8c4 |
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