MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure for a free book download, which is a common social engineering tactic. The ML classifier also strongly indicated maliciousness.
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=applied+behavior+analysis+2nd+edition+pdf+free
- http://files.tlccabinetry.com/uploads/1/3/1/3/131380292/vemozokedepewuw.pdf
- http://files.ellenaltjudaic.com/uploads/1/3/0/9/130969389/bojulowudore.pdf
- http://roxubuf.communityofchristiancreatives.com/uploads/1/3/1/3/131384635/7041931.pdf
- https://cdn.shopify.com/s/files/1/0435/1403/6376/files/57796701147.pdf
- https://cdn.shopify.com/s/files/1/0433/8640/5022/files/pajotamikegibowodosaralop.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/17431636430.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muxolalinurijelibabozafod.pdf
- https://cdn.shopify.com/s/files/1/0439/5817/3854/files/xitilumixigafeterara.pdf
- https://cdn.shopify.com/s/files/1/0431/1960/7962/files/takadujuzirakomowefuwufa.pdf
- https://cdn.shopify.com/s/files/1/0440/6142/5814/files/multivariable_calculus_thomas.pdf
- https://cdn.shopify.com/s/files/1/0432/3174/0066/files/lurixilinog.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/jadavuzetazepiv.pdf
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/pojitedaligebuvu.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067b7.bin1d1d4c51d27eb77e638acd2e28ecdde2fd295bd30363b83b9a8be28a249c779d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B7 | 5552 bytes |
font_01_sfnt_off00007a99.bin3595953f32c402ab5cf1ac1b0a934a20de495724d4194e3d374a6ff62d156c1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A99 | 10664 bytes |
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