MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link to 'ttraff.ru' which is flagged as malicious. It also hosts a large number of links to other PDFs, likely as part of a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the embedded URLs suggest an attempt to lure the user to 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/pify?keyword=homograph+homonym+homophone+worksheet
- http://files.sensebysense.com/uploads/1/3/2/6/132681544/57c153c2.pdf
- http://files.bamyield.org/uploads/1/3/1/8/131856050/0a5d91.pdf
- http://dukipowen.peacejams.com/uploads/1/3/0/8/130814328/dalufulivase-dilezil-ximomitonule-kesufifafokewuf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/3486/1987/files/12986697192.pdf
- https://cdn.shopify.com/s/files/1/0435/1524/8794/files/96237785640.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50398535586.pdf
- https://cdn.shopify.com/s/files/1/0464/7177/4366/files/pelezevu.pdf
- https://cdn.shopify.com/s/files/1/0448/3937/0909/files/difijepenuziz.pdf
- https://cdn.shopify.com/s/files/1/0428/1240/7967/files/nideb.pdf
- https://cdn.shopify.com/s/files/1/0430/3978/5111/files/2ez_table_2016.pdf
- https://cdn.shopify.com/s/files/1/0431/0623/8626/files/sufosikiguweminoxo.pdf
- https://cdn.shopify.com/s/files/1/0430/8982/1845/files/37438784103.pdf
- https://cdn.shopify.com/s/files/1/0432/7754/9728/files/relesama.pdf
- https://cdn.shopify.com/s/files/1/0439/1292/1256/files/wepodewaxuwunizu.pdf
- https://cdn.shopify.com/s/files/1/0434/3519/6568/files/tavezomek.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000055c6.bincf357e353f7588d535f012d75cbf0b50112f84b6cd3be61c060e9e5dbff6371a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55C6 | 5420 bytes |
font_01_sfnt_off00006827.bin9434abab41ebdae83cb2a12079fc45a3eba694e15c0529a397715cb5cdcd54ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6827 | 9992 bytes |
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