MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.ru/pify?keyword=performance+evaluation+sheet+meaning', is designed to lure the user into clicking it under the guise of a performance evaluation. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, many of which are hosted on Shopify. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.
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=performance+evaluation+sheet+meaning
- http://fosiru.ladyteviot.co.uk/uploads/1/3/1/8/131856177/kukokujomoge.pdf
- http://files.mommyinla.com/uploads/1/3/1/3/131383283/bikedenuxogobifa.pdf
- https://cdn.shopify.com/s/files/1/0430/5590/6973/files/77458155387.pdf
- https://cdn.shopify.com/s/files/1/0432/9478/5694/files/12605627079.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/kigexarakomada.pdf
- https://cdn.shopify.com/s/files/1/0438/3001/8210/files/lawepajezalifa.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/49437035092.pdf
- https://cdn.shopify.com/s/files/1/0440/3711/1973/files/mutididirupejusawun.pdf
- https://cdn.shopify.com/s/files/1/0430/4361/8965/files/senak.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/87480639786.pdf
- https://cdn.shopify.com/s/files/1/0434/5485/7369/files/order_of_operations_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/0067/3950/files/marmoset_toolbag_3.pdf
- https://cdn.shopify.com/s/files/1/0434/1373/3533/files/novajoxuwaleguvotive.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_off0000718b.bina393d47d4b1b77d230d8bf18ea06643f90851d4b963137135287f1da0fe13a21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x718B | 5356 bytes |
font_01_sfnt_off00008395.bin2676dcdb159493b3130d6b78b984acfb5e31d55465f304da731e68885f120e6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8395 | 9964 bytes |
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