MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains text related to a textbook and the malicious URL. The presence of multiple external links suggests an attempt to distribute further malicious content or engage in SEO manipulation for malicious purposes.
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.com/pify?keyword=psychological+testing+and+assessment+cohen+7th+edition+free+pdf
- http://files.karoliina-koho.com/uploads/1/3/0/7/130740490/7992481.pdf
- http://seteme.laohulonghealth.com/uploads/1/3/1/6/131636612/nobugo.pdf
- http://files.badappleorchard.net/uploads/1/3/1/1/131164250/9629095.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/0921/1549/files/penufu.pdf
- https://cdn.shopify.com/s/files/1/0440/6578/3958/files/goodwill_valuation_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/0956/3034/files/axios_async_await.pdf
- https://cdn.shopify.com/s/files/1/0429/8027/8426/files/91085877335.pdf
- https://cdn.shopify.com/s/files/1/0437/2119/5688/files/sesopite.pdf
- https://cdn.shopify.com/s/files/1/0434/3611/4076/files/220834824.pdf
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/25915737323.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0309/files/nizusuxotiri.pdf
- https://cdn.shopify.com/s/files/1/0431/6630/2357/files/35079065773.pdf
- https://cdn.shopify.com/s/files/1/0429/6356/6755/files/wuxupazonajori.pdf
- https://cdn.shopify.com/s/files/1/0428/7699/3702/files/makuwet.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70282461387.pdf
- https://cdn.shopify.com/s/files/1/0429/8545/5769/files/bulking_training_plan.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_off0000b78e.bin74fd1ead839a59ec13031b14ecfcc73a1ac6cf10c41735a194fa59d16ee7389f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB78E | 5752 bytes |
font_01_sfnt_off0000cb0c.bin8df89033a8e405bab614ddb052c298069ae8a5132d72f5d89f3805077ca2d489 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB0C | 10380 bytes |
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