MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for a malicious redirector link and a link farm, indicating an attempt to direct users to malicious sites. The document body, though heavily obfuscated, contains a URL that matches the redirector heuristic. The presence of multiple embedded links, many pointing to Shopify, suggests a tactic to obscure the malicious destination by using seemingly benign hosting for the initial PDF.
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/pify?keyword=thyroid+cancer+guidelines+pdf
- http://bakilulu.christmasinchilhowie.com/uploads/1/3/1/8/131856185/33710da41.pdf
- http://varakire.emanueldeutschmann.net/uploads/1/3/0/7/130775085/bb6f11db6a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8922/3066/files/12292203117.pdf
- https://cdn.shopify.com/s/files/1/0431/5850/3590/files/15499112707.pdf
- https://cdn.shopify.com/s/files/1/0433/8001/5271/files/ljubljana_restaurants_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/4294/6728/files/gyrocopter_dota_2_guide_2018.pdf
- https://cdn.shopify.com/s/files/1/0428/2214/0063/files/42102393092.pdf
- https://cdn.shopify.com/s/files/1/0433/4583/8232/files/rawiv.pdf
- https://cdn.shopify.com/s/files/1/0435/6833/2959/files/67063142100.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1562/files/99628021631.pdf
- https://cdn.shopify.com/s/files/1/0432/8616/7702/files/cinematic_video_editor_android.pdf
- https://cdn.shopify.com/s/files/1/0428/3881/8982/files/zadepokojibugokijefobu.pdf
- https://cdn.shopify.com/s/files/1/0431/3638/5181/files/60125007439.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_off0000821d.bin728d8ad7c29f38ab0801228628ebac185f7668fcb34dad322d611624612ae28f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x821D | 5468 bytes |
font_01_sfnt_off000094b8.bin34e8ea38843de00a00113ca0d2e6979eb0dba58382eaaecb34d3c3c17f6797d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94B8 | 10208 bytes |
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