MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The document body, though heavily obfuscated, contains the primary malicious URL and references to '3d racing games free for android', suggesting a lure. The presence of numerous external links, many pointing to Shopify domains but also including unknown domains, indicates a strategy to distribute or mask 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.cc/pify?keyword=3d+racing+games+free++for+android
- http://files.infieldconservation.com/uploads/1/3/2/8/132814050/83a992f01f.pdf
- http://reken.kadhampa.net/uploads/1/3/2/6/132681218/2556318ce63.pdf
- http://files.russelsher.com/uploads/1/3/0/7/130739542/xipusag.pdf
- http://files.christianoutreachtools.com/uploads/1/3/2/6/132683000/000c335f5d3.pdf
- https://cdn.shopify.com/s/files/1/0428/6421/4175/files/free_birthday_card_template.pdf
- https://cdn.shopify.com/s/files/1/0437/2011/4344/files/theory_of_c_language.pdf
- https://cdn.shopify.com/s/files/1/0433/4485/5195/files/33253524133.pdf
- https://cdn.shopify.com/s/files/1/0434/0157/6602/files/briscola_regole.pdf
- https://cdn.shopify.com/s/files/1/0437/3820/2273/files/death_penalty_argumentative_essay_against.pdf
- https://cdn.shopify.com/s/files/1/0434/6452/3926/files/nubidorirena.pdf
- https://cdn.shopify.com/s/files/1/0434/6127/9896/files/70196056895.pdf
- https://cdn.shopify.com/s/files/1/0437/2378/4360/files/21478946202.pdf
- https://cdn.shopify.com/s/files/1/0448/4956/1757/files/moscow_metro_map_in_russian.pdf
- https://cdn.shopify.com/s/files/1/0428/6241/1935/files/bugizujetifetida.pdf
- https://cdn.shopify.com/s/files/1/0436/5297/2697/files/nikibufuz.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_off0000782f.bin6d68db37e35a6a08e5102ff112b1038a67ba965a272ec99059d26b8ef7f64190 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x782F | 5380 bytes |
font_01_sfnt_off00008a57.bin7b735fc6be735f16464c9b76366dc8ceb747834d674c344959aad19bc1ad09c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A57 | 10284 bytes |
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