MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to external PDF files, which is indicative of a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=what+does+a+gm+service+manual+include'. The document body, though heavily obfuscated, contains text suggesting a service manual lure, aligning with the malicious redirector's purpose. 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=what+does+a+gm+service+manual+include
- http://files.ryckrudd.com/uploads/1/3/0/7/130739712/pagumiperi.pdf
- http://files.ontheslysupport.com/uploads/1/3/2/8/132814050/de0bd21379221.pdf
- http://files.grapesociety.org/uploads/1/3/1/4/131437322/7399305.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/5196/6873/files/78654233660.pdf
- https://cdn.shopify.com/s/files/1/0431/3363/2661/files/77783624288.pdf
- https://cdn.shopify.com/s/files/1/0436/3033/0019/files/liluv.pdf
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/51893664396.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/91337380597.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73633131036.pdf
- https://cdn.shopify.com/s/files/1/0440/4376/3862/files/26041986569.pdf
- https://cdn.shopify.com/s/files/1/0432/1447/1330/files/69550849579.pdf
- https://cdn.shopify.com/s/files/1/0433/0081/4998/files/31251468375.pdf
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/26125065510.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000769e.binfd4ff8632c826bc1c93cdc4e0bd6d4b15cbbce38f860d1519124c1fb8931f7d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x769E | 5428 bytes |
font_01_sfnt_off000088f9.bin31985995ff7c66cfe8778372927c71d91e3fedc843e3be37d32eff113941fa47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88F9 | 10336 bytes |
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