MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one pointing to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, includes the URL and a keyword related to email writing skills, suggesting a lure. The presence of numerous external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content. No scripts were extracted, but the PDF structure and malicious redirector strongly suggest a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=good+email+writing+skills+pdf
- http://files.bradleywilliamsart.net/uploads/1/3/1/1/131164118/bigofodowuban.pdf
- http://files.sanjoseexpress.org/uploads/1/3/1/3/131398046/7719881.pdf
- http://files.ballatsmithycottage.com/uploads/1/3/1/8/131857734/levavesoje.pdf
- https://cdn.shopify.com/s/files/1/0435/5702/8001/files/pizaki.pdf
- https://cdn.shopify.com/s/files/1/0430/2657/9610/files/wisunini.pdf
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/demusikaregoli.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3360/files/hospital_and_clinical_pharmacy_textbook.pdf
- https://cdn.shopify.com/s/files/1/0433/0576/2974/files/mikudubonorobujona.pdf
- https://cdn.shopify.com/s/files/1/0429/8414/5049/files/97412305193.pdf
- https://cdn.shopify.com/s/files/1/0440/6503/0309/files/dictionaries_in_c.pdf
- https://cdn.shopify.com/s/files/1/0432/9812/8036/files/tojibaxolabeju.pdf
- https://cdn.shopify.com/s/files/1/0440/7053/5318/files/6907533105.pdf
- https://cdn.shopify.com/s/files/1/0436/0955/5107/files/aldous_huxley_as_portas_da_percepo.pdf
- https://cdn.shopify.com/s/files/1/0434/6917/6985/files/capitec_bursary_application_form_2020.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000075db.bin7054202772682b24f11599058d951f637b8cd39cbb91149f9ca434d6f8725165 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DB | 3304 bytes |
font_01_sfnt_off000081c0.binca8a96d6ed2ec24688cfbd074927a23d3654b3f3d1b5ec00b0612bcad003ade0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81C0 | 5336 bytes |
font_02_sfnt_off000093ef.binfba97d65452c5953d06903bc8e9446b5f402243a032b768cfac4ce6d3320f788 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93EF | 10492 bytes |
font_03_sfnt_off0000b796.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB796 | 4324 bytes |
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