MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a link to a redirector URL, which is a strong indicator of malicious intent. The document body, though heavily obfuscated, contains text related to software installation, reinforcing the lure. The presence of a PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing further supports this assessment. The primary attack pattern involves tricking users into clicking a link that leads to a malicious download.
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=wondershare+pdfelement+pro+offline+installer
- http://bavunina.onlinekitchensdirect.com/uploads/1/3/2/6/132683165/xulapesuwozegib.pdf
- https://cdn.shopify.com/s/files/1/0434/2648/0295/files/69420646827.pdf
- https://cdn.shopify.com/s/files/1/0432/7764/8027/files/bilit.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/81051046314.pdf
- https://cdn.shopify.com/s/files/1/0433/6926/7354/files/48608693925.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/57618455678.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/75580206877.pdf
- https://cdn.shopify.com/s/files/1/0435/3956/2651/files/gemeg.pdf
- https://cdn.shopify.com/s/files/1/0429/4439/7468/files/bebimuxuri.pdf
- https://cdn.shopify.com/s/files/1/0435/2661/9288/files/diablo_2_rune_words.pdf
- https://cdn.shopify.com/s/files/1/0436/1961/4882/files/tosovi.pdf
- https://cdn.shopify.com/s/files/1/0432/8692/1376/files/frontpage_recentchanges_findpage_help_contents.pdf
- https://cdn.shopify.com/s/files/1/0439/0774/3899/files/72512832200.pdf
- https://cdn.shopify.com/s/files/1/0427/5837/3542/files/27064409585.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_off0000760a.bin4a71f211143f8bcaca67e5d10712517f6751783144de3d3ead2083c8521dc353 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x760A | 5292 bytes |
font_01_sfnt_off000087ec.bin19666add4b1113e9a961c637ea32507a6d35720c7b0cbd75d88f9320f92bd290 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87EC | 10724 bytes |
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