MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which are part of a link farm. One critical heuristic identified a link to a known malicious redirector infrastructure at https://ttraff.ru/pify. The document body, though heavily obfuscated, contains references to reading reports, likely a lure to encourage users to click the malicious links. The ML classifier strongly supports the malicious nature of this PDF.
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=how+to+read+bcr+abl+quantitative+report
- http://wizim.stevendavidtorres.com/uploads/1/3/0/7/130738837/b633cda7b62189.pdf
- http://files.soma-psiche.org/uploads/1/3/1/4/131455621/neguna-relaxuvefu.pdf
- http://files.thedancecentermo.com/uploads/1/3/2/6/132683252/0930d4019d5dc5.pdf
- https://cdn.shopify.com/s/files/1/0428/5497/3606/files/77136287893.pdf
- https://cdn.shopify.com/s/files/1/0436/9888/0680/files/45226484919.pdf
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/55398819406.pdf
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/48450266367.pdf
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/vavazukujejolajoguzer.pdf
- https://cdn.shopify.com/s/files/1/0430/0632/8985/files/cardiology_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/gasotevudaxopetokozedona.pdf
- https://cdn.shopify.com/s/files/1/0432/0378/8960/files/41427965273.pdf
- https://cdn.shopify.com/s/files/1/0432/9432/6939/files/xujigexuwum.pdf
- https://cdn.shopify.com/s/files/1/0428/6221/5324/files/64653639530.pdf
- https://cdn.shopify.com/s/files/1/0427/4431/6070/files/jazoramezowizekobanuzebir.pdf
- https://cdn.shopify.com/s/files/1/0452/1459/7271/files/resuscitation_guidelines.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006146.bin0ac77517937d2ca15f93d133c8d1936879e9f71fdb74936817eb1a0e4d1494b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6146 | 5148 bytes |
font_01_sfnt_off000072db.bin302d5cc279151a565d241d22239012fd46ad7ee309f7ef3a1823ee54c6e6c6c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72DB | 10632 bytes |
font_02_sfnt_off000096ae.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96AE | 4324 bytes |
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