MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by a machine learning classifier as malicious and contains numerous embedded URLs. Several of these URLs point to a redirector service (ttraff.ru) known for malicious activity, and the document itself appears to be part of a link farm designed to manipulate search engine results. The presence of these links suggests an attempt to direct users to malicious websites, likely for phishing or malware distribution.
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=12th+botany+practical+pdf
- http://files.osrsinferno.org/uploads/1/3/0/7/130739996/b1712547df1da.pdf
- http://files.bevmcclellanrobynfear.com/uploads/1/3/2/8/132814306/pexebotube.pdf
- http://files.annishealinggarden.com.au/uploads/1/3/0/7/130739260/917c2830.pdf
- http://files.mariclayton.com/uploads/1/3/0/8/130814208/vunobep.pdf
- http://files.stjohnsoakland.org/uploads/1/3/0/8/130813364/gozukobatibiduzol.pdf
- https://cdn.shopify.com/s/files/1/0440/6630/8246/files/94455530038.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/mufusujogajabawaxeves.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/35180361182.pdf
- https://cdn.shopify.com/s/files/1/0432/1666/6786/files/55982471579.pdf
- https://cdn.shopify.com/s/files/1/0437/9443/2161/files/ruvasumujogug.pdf
- https://cdn.shopify.com/s/files/1/0435/4785/2959/files/fuguzisu.pdf
- https://cdn.shopify.com/s/files/1/0435/6472/8479/files/coastal_engineering_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/gupamomusosapik.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/notebedatinekuvo.pdf
- https://cdn.shopify.com/s/files/1/0428/0877/0726/files/28744617725.pdf
- https://cdn.shopify.com/s/files/1/0428/0641/1431/files/31619972216.pdf
- https://cdn.shopify.com/s/files/1/0430/8857/6673/files/time_played_in_league.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_off0001abed.bineba048c5f57e72b081cdade8f000752cdcb7b13a7ed71d1cddd4716a40b13399 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1ABED | 5396 bytes |
font_01_sfnt_off0001be48.bin7229aed17eb531b168400214d61529bc80d22e2a61ffa5527949a92d01d36822 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BE48 | 11064 bytes |
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