MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'https://ttraff.ru/pify?keyword=home+swimming+pool+maintenance+guide'. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify-hosted PDFs. The document body, though heavily obfuscated, contains the same malicious URL and benign-looking PDF links, suggesting a lure to a malicious site disguised as a maintenance guide.
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=home+swimming+pool+maintenance+guide
- http://files.meganhealymusic.com/uploads/1/3/0/7/130739318/9063159.pdf
- http://files.huntersvillelawyer.com/uploads/1/3/0/8/130874042/moradivege-gesinokazo-jefufow.pdf
- http://tanigane.slgtc.net/uploads/1/3/2/7/132710563/9089176.pdf
- http://files.ememathshub.org/uploads/1/3/1/4/131438477/waralabe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5187/5481/files/17634343789.pdf
- https://cdn.shopify.com/s/files/1/0430/7786/1527/files/que_son_los_antimicoticos.pdf
- https://cdn.shopify.com/s/files/1/0432/3773/6603/files/50757657524.pdf
- https://cdn.shopify.com/s/files/1/0438/4079/8885/files/fusionner_deux_adobe.pdf
- https://cdn.shopify.com/s/files/1/0430/1042/4985/files/xeforitikofajotuxisafi.pdf
- https://cdn.shopify.com/s/files/1/0437/1359/3499/files/39099047971.pdf
- https://cdn.shopify.com/s/files/1/0434/4558/4033/files/45409637701.pdf
- https://cdn.shopify.com/s/files/1/0440/6142/5814/files/33928313085.pdf
- https://cdn.shopify.com/s/files/1/0432/6621/2003/files/30370756502.pdf
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/d_d_3._5e_player_s_handbook.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_off0000a273.binf15f42759aa99759a7ce5052fdd3b5bf39a15e2c4a9c3f4343fae70ce8b2a789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA273 | 5348 bytes |
font_01_sfnt_off0000b4a7.bin2ba2e565f3658661b32e8090dbdabd44682cfc85dbf90d3948b403b415769071 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A7 | 10932 bytes |
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