MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though partially corrupted, contains text suggesting it is a manual for a 'HP zbook studio g5', a common lure for phishing or malware distribution. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or SEO poisoning tactic to obscure the malicious redirector. No scripts were extracted from this sample.
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/wb?keyword=hp%20zbook%20studio%20g5%20manual
- http://files.puremotionwithmandy.com/uploads/1/3/1/8/131856112/4789508.pdf
- http://files.mckaychurchsupply.com/uploads/1/3/1/4/131438477/zovevup-jozajidakokulub.pdf
- http://files.arteachingcollective.com/uploads/1/3/0/7/130740049/7431e260.pdf
- http://files.deanhunt.net/uploads/1/3/0/7/130739069/e3f2b.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2469/files/active_learning_handbook.pdf
- https://cdn.shopify.com/s/files/1/0431/9890/6528/files/88192065376.pdf
- https://cdn.shopify.com/s/files/1/0432/0008/6175/files/dovobenitamosezopupexap.pdf
- https://cdn.shopify.com/s/files/1/0435/9602/1919/files/achievement_motivation_scale.pdf
- https://cdn.shopify.com/s/files/1/0431/5620/9819/files/41419572064.pdf
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/muwetevelivi.pdf
- https://cdn.shopify.com/s/files/1/0428/0428/1511/files/jejij.pdf
- https://cdn.shopify.com/s/files/1/0430/7301/1863/files/tazomabu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fezusagofetivori.pdf
- https://cdn.shopify.com/s/files/1/0434/2156/5078/files/gubirufi.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_off0000459f.bin141f5d2f1c6977fd7e9279f6bc994a773b3b73e69fa46f70a60ff5240ee8e1dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x459F | 5284 bytes |
font_01_sfnt_off00005778.bindeccfebd1d627baa8017813fa0c3eb8217d717de129281f27539e3f79648da1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5778 | 9288 bytes |
font_02_sfnt_off0000773d.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x773D | 4324 bytes |
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