MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The primary malicious IOC is the redirector URL, which likely serves as a gateway to further malicious content. The document body itself is heavily obfuscated but contains the same URLs.
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=model+based+clustering+methods+pdf
- http://ronatuj.meganlamart.com/uploads/1/3/2/6/132681352/695046.pdf
- https://cdn.shopify.com/s/files/1/0429/5829/1093/files/39467403463.pdf
- https://cdn.shopify.com/s/files/1/0451/7930/6135/files/89556802988.pdf
- https://cdn.shopify.com/s/files/1/0436/0493/4818/files/fofepekubobitimibuz.pdf
- https://cdn.shopify.com/s/files/1/0429/6241/9863/files/zone_online_casino_msn_games.pdf
- https://cdn.shopify.com/s/files/1/0434/4011/1782/files/48917833664.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/anastasis_hillsong_chords.pdf
- https://cdn.shopify.com/s/files/1/0432/4737/0402/files/development_economics_debraj_ray_download.pdf
- https://cdn.shopify.com/s/files/1/0429/2119/7735/files/11869981079.pdf
- https://cdn.shopify.com/s/files/1/0440/4533/6726/files/delel.pdf
- https://cdn.shopify.com/s/files/1/0433/6962/7799/files/tamil_nursery_rhymes_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0437/9269/5458/files/78046378473.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_off000076c3.bin13379e2bf03246240794397af1fde488673c8a85ac1a9ddcab2bb7794b8a600c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76C3 | 5716 bytes |
font_01_sfnt_off00008a10.bin5cfaeae391342ec6e1ba3f59d7d9ee7ee85d992de766c62658c4ec926f5698d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A10 | 11712 bytes |
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