MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF SEO link farm, with numerous external links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic, suggesting a lure to download further malicious content.
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=john+deere+345+manual+pdf
- http://files.dan-ebert.com/uploads/1/3/0/7/130739340/wagabif.pdf
- http://files.reaching-the-masses.com/uploads/1/3/2/7/132710630/7735823.pdf
- http://files.lacremezeeland.com/uploads/1/3/1/3/131381480/ligota.pdf
- https://cdn.shopify.com/s/files/1/0434/1478/2104/files/budoribawamigosobadif.pdf
- https://cdn.shopify.com/s/files/1/0431/8468/5220/files/country_code_222.pdf
- https://cdn.shopify.com/s/files/1/0435/7039/7352/files/54121454217.pdf
- https://cdn.shopify.com/s/files/1/0437/6916/8021/files/non_participant_observation.pdf
- https://cdn.shopify.com/s/files/1/0432/5956/0094/files/95033227914.pdf
- https://cdn.shopify.com/s/files/1/0431/7793/5005/files/26683329976.pdf
- https://cdn.shopify.com/s/files/1/0435/5352/1823/files/62613021107.pdf
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/54003233749.pdf
- https://cdn.shopify.com/s/files/1/0428/8918/3398/files/6437130564.pdf
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/54394675102.pdf
- https://cdn.shopify.com/s/files/1/0435/8114/5243/files/zibezozakizumiwokere.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/33297694163.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_off0001463d.bin7fe38743bca3d98589a42eec121291edd3dd370563ebbdfd34cec6faa4fad800 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1463D | 5468 bytes |
font_01_sfnt_off000158b2.bin77da31aff8cf2dc739f7a07c75437ac43dd910d36cb30b3ed831a14390073376 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158B2 | 16512 bytes |
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