MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'Whistler xtr 338 manual'. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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.cc/wix?keyword=whistler+xtr+338+manual
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/3756/4838/files/dedavulexijegipefu.pdf
- https://cdn.shopify.com/s/files/1/0435/5103/1447/files/jio_mobile_in_play_store_video.pdf
- https://cdn.shopify.com/s/files/1/0438/0291/9074/files/bharat_chashni_video_song_pagalworld.pdf
- https://cdn.shopify.com/s/files/1/0432/3095/3627/files/29411025690.pdf
- https://cdn.shopify.com/s/files/1/0431/4044/8410/files/palabras_basicas_en_ingles.pdf
- https://static.usrfiles.com/ugd/58a813_7fb4ac0747a44cb68736976aae0be8fd.pdf
- https://static.usrfiles.com/ugd/3e87bf_eb8ab79a144f4aa286ed5c0302aabd06.pdf
- https://static.usrfiles.com/ugd/2c8d66_01c9c412005d43a6a996c86069e175ff.pdf
- https://static.usrfiles.com/ugd/48d9a1_2abfba13d73f4587a8c3b537feffaa51.pdf
- https://static.usrfiles.com/ugd/3b47cb_1bcc9aedb6d545b2b9679af581ab1357.pdf
- https://static.usrfiles.com/ugd/ca32a8_e54d296623544fcfbdc0adf45c01bc25.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d9d.binea1537c5d4bda718681382840dc842f9d8d7b1208acc5198adfbe00556f035da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D9D | 5136 bytes |
font_01_sfnt_off00005edb.bin2f9366fe41fe24daaca89c047e19d3fb5c0e585f13525d6480407d0cc5ad4c96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EDB | 10604 bytes |
font_02_sfnt_off00008313.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8313 | 4324 bytes |
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