MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body also contains this URL, presented as a link to a 'solution manual'. This URL is likely used to redirect the user to a malicious site. The PDF also contains a link farm heuristic, indicating a large number of outbound links, many of which point to Shopify domains, but one points to 'fekuxat.fantailphotos.com' which is also suspicious.
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/pify?keyword=probability+and+statistics+for+engineers+and+scientists+solution+manual+9th+edition
- http://fekuxat.fantailphotos.com/uploads/1/3/1/4/131453870/mezawepiroselujebuga.pdf
- https://cdn.shopify.com/s/files/1/0433/9066/4860/files/niwapupikesokexarikuxaf.pdf
- https://cdn.shopify.com/s/files/1/0436/9724/2280/files/dodenegawufenalixebo.pdf
- https://cdn.shopify.com/s/files/1/0440/1600/9374/files/juxasajon.pdf
- https://cdn.shopify.com/s/files/1/0432/4225/8587/files/91726917190.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5804/files/64002233536.pdf
- https://cdn.shopify.com/s/files/1/0427/5997/9174/files/90542813668.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texojorigerusoxuduk.pdf
- https://cdn.shopify.com/s/files/1/0431/0804/0853/files/36634502790.pdf
- https://cdn.shopify.com/s/files/1/0431/5630/8123/files/xuzerixadikulufi.pdf
- https://cdn.shopify.com/s/files/1/0434/0252/6887/files/wrecked_ship_guide_re7.pdf
- https://cdn.shopify.com/s/files/1/0435/9313/8333/files/anbe_sivam_movie_tamilrockers.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_off00005453.bine8cbf05f186b3ee2c65aac0e21558d450723aa03d593de2b7596ab66f91c5562 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5453 | 5716 bytes |
font_01_sfnt_off0000678f.binac1e5b989f1cf079167f936c837327545d84ed2d5d7268e948d3345fdd65595d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678F | 10660 bytes |
font_02_sfnt_off00008bc0.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BC0 | 4324 bytes |
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