MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to "free brickmania instructions" and the malicious URL. The presence of numerous external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to distribute the 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/wix?keyword=free+brickmania+instructions
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/punipulodugux.pdf
- https://cdn.shopify.com/s/files/1/0430/0436/2906/files/lalunor.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5382/files/doodle_god_ultimate_edition_achievement_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/7790/3263/files/24157999186.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7962/files/duzekejojobokemobuseketi.pdf
- https://cdn.shopify.com/s/files/1/0431/6292/7253/files/kesinefofojunen.pdf
- https://static.usrfiles.com/ugd/b8c837_477a9aa39b4845dcbe26f16521782329.pdf
- https://static.usrfiles.com/ugd/b8c837_9109b88c05074a64ba9531a98d372619.pdf
- https://static.usrfiles.com/ugd/34ec99_0e0ee4b7359548389431de10ff8e81f7.pdf
- https://static.usrfiles.com/ugd/b8c837_cec5fffabf6c46e29bee0d0afaadb69c.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mupuxisupevijerabufogete.pdf
- https://cdn.shopify.com/s/files/1/0433/3853/0965/files/23615319826.pdf
- https://cdn.shopify.com/s/files/1/0433/9597/3271/files/zojemejozilofazomobidi.pdf
- https://cdn.shopify.com/s/files/1/0462/3692/6103/files/77890126557.pdf
- https://cdn.shopify.com/s/files/1/0433/4390/4927/files/99130627477.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_off000051fd.bin9fe69ea12a3b708808c899cc547801f85ff45212ff864d4853d1d2c955718bbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51FD | 5072 bytes |
font_01_sfnt_off00006322.bincc9feb3f7a614f9e3f00809e2cc9d6a7cc449753c1e74a263934a354f0563ce9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6322 | 10528 bytes |
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