MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links, one of which points to a known malicious redirector (ttraff.ru). This suggests the document is designed to lure users to malicious websites. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm or SEO poisoning attempt to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=commelina+benghalensis+pdf
- http://files.dickinsoncountydems.com/uploads/1/3/1/3/131379477/6896679.pdf
- http://noban.browhouse.com/uploads/1/3/1/1/131164250/97b2ea51ab219ae.pdf
- http://files.easthamptonteachers.com/uploads/1/3/0/7/130776272/vakapejobitebet_darutinerav_dimurewix_vuvot.pdf
- http://files.andrewjfilson.com/uploads/1/3/0/9/130969166/115b1.pdf
- https://cdn.shopify.com/s/files/1/0429/8499/7017/files/xafoxararuk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62114329075.pdf
- https://cdn.shopify.com/s/files/1/0433/8660/1639/files/birkenstock_logo.pdf
- https://cdn.shopify.com/s/files/1/0435/4323/2661/files/apush_review_book_2020.pdf
- https://cdn.shopify.com/s/files/1/0453/8499/0888/files/aankh_mare_simba_video_song_pagalworld.pdf
- https://cdn.shopify.com/s/files/1/0463/3486/9661/files/94406876323.pdf
- https://cdn.shopify.com/s/files/1/0431/7957/3414/files/bawim.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0300/files/17770793105.pdf
- https://cdn.shopify.com/s/files/1/0438/1235/6253/files/66886203808.pdf
- https://cdn.shopify.com/s/files/1/0435/2675/0357/files/27728142377.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peboginesewuxexadamo.pdf
- https://cdn.shopify.com/s/files/1/0430/8788/8535/files/linux_sort_by_column.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006802.binc93deac5771b6cb72d248687d1c716ffc5e2463719554ac7d1707fb12f47b605 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6802 | 5404 bytes |
font_01_sfnt_off00007a2b.binabea6e077b17a55feac65258e900a43c3d0665cbbe95e90f3566933ca02f70da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A2B | 9860 bytes |
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