MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as search results, with the primary link directing to a known malicious redirector. The ML classifier strongly indicated maliciousness, and the document body, though partially corrupted, contains the malicious URL. The presence of numerous external PDF links suggests a SEO poisoning or link farm tactic to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wb?keyword=kenwood%20chef%20model%20a701a%20service%20manual
- http://files.fit4lyfeathletics.com/uploads/1/3/1/3/131397938/2071295.pdf
- http://files.khatibenergy.com/uploads/1/3/2/6/132682076/lavinizi-kokekuwe-jusagusaxaperu.pdf
- http://files.cardifftherapy.com/uploads/1/3/0/7/130739212/remamiregut.pdf
- https://cdn.shopify.com/s/files/1/0432/6552/3870/files/atcc_animal_cell_culture_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/4864/8354/files/wikovazizedisa.pdf
- https://cdn.shopify.com/s/files/1/0437/1264/3223/files/types_of_aircrafts.pdf
- https://cdn.shopify.com/s/files/1/0432/6909/5590/files/campus_architecture.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xigemeziguvego.pdf
- https://cdn.shopify.com/s/files/1/0433/8860/0478/files/benivisifuvufojeg.pdf
- https://cdn.shopify.com/s/files/1/0432/1430/7496/files/architecture_portfolio_for_job.pdf
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/the_matchmaker_s_playbook_book.pdf
- https://cdn.shopify.com/s/files/1/0431/6741/6488/files/wefuzixededesenexewigu.pdf
- https://cdn.shopify.com/s/files/1/0429/9200/9365/files/gomovuwarejanexodezetuxur.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66048758492.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000044fc.bin9439f2c599b52c47136755f35f7cc205472d786eba04e5859952c9cb2b7b183f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44FC | 5460 bytes |
font_01_sfnt_off00005777.bin64d0f5bdec15ef2420e72fde5725a8ca6cf1df5aa88d7ebd6e43f50f8a670cf4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5777 | 9444 bytes |
font_02_sfnt_off000077cc.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CC | 4324 bytes |
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