MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. This is indicative of an SEO link farm, a technique used to artificially inflate search engine rankings for malicious content. One of the embedded URLs, 'https://ttraff.com/pify?keyword=ksi%25C4%2585%25C5%25BCki+po+angielsku+dla+pocz%25C4%2585tkuj%25C4%2585cych+pdf', is flagged as a malicious redirector. The document body itself is heavily obfuscated but contains references to the same URL and the wkhtmltopdf tool, suggesting it was generated programmatically.
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.com/pify?keyword=ksi%25C4%2585%25C5%25BCki+po+angielsku+dla+pocz%25C4%2585tkuj%25C4%2585cych+pdf
- http://files.krakauertaggduo.com/uploads/1/3/0/7/130740517/jizenuvawif-nuwofiba.pdf
- http://xewepol.morrisrental.com/uploads/1/3/2/3/132303382/giteviwu.pdf
- http://tabab.speedandsprocket.com/uploads/1/3/1/8/131856185/tuwasaruxulu-laxopupil-miveporasenijif.pdf
- https://cdn.shopify.com/s/files/1/0433/1126/7990/files/bavawag.pdf
- https://cdn.shopify.com/s/files/1/0433/2837/2904/files/knee_exercises_for_arthritis.pdf
- https://cdn.shopify.com/s/files/1/0430/2657/9610/files/96973275015.pdf
- https://cdn.shopify.com/s/files/1/0432/6395/1003/files/gedaroropukoturodubome.pdf
- https://cdn.shopify.com/s/files/1/0435/5863/3631/files/hackerrank_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/8890/3325/files/29750053400.pdf
- https://cdn.shopify.com/s/files/1/0428/7895/9775/files/81057411622.pdf
- https://cdn.shopify.com/s/files/1/0430/7186/4993/files/pofabelede.pdf
- https://cdn.shopify.com/s/files/1/0430/6065/8333/files/98654436825.pdf
- https://cdn.shopify.com/s/files/1/0439/7950/5822/files/48599779700.pdf
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/clasicismo_griego.pdf
- https://cdn.shopify.com/s/files/1/0434/5239/9777/files/ligupaxipoz.pdf
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/32844881521.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_off00006443.bin17e133140f18a240b7fbc4109bac42d1a655c0e944a62747232786f35647f661 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6443 | 5800 bytes |
font_01_sfnt_off00007766.bin6172175b3cf6ce8d4eab4067486351931a82498accc9672c8c0dce2bf7a17df6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7766 | 11188 bytes |
font_02_sfnt_off00009ad0.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD0 | 4324 bytes |
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