MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL pointing to a redirector, which is likely the primary mechanism for delivering a malicious payload or engaging in SEO manipulation. The presence of numerous Shopify-hosted PDF links suggests an attempt to distribute malicious content through a seemingly legitimate platform.
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=recursive+binary+search+c%252B%252B
- http://files.mybooksucks.com/uploads/1/3/1/4/131438641/vakovilekimusikaxen.pdf
- http://files.oace.co/uploads/1/3/1/3/131381781/parotakime.pdf
- http://files.countryside-puppies.com/uploads/1/3/1/8/131871871/bacb91b6.pdf
- https://cdn.shopify.com/s/files/1/0428/8475/9711/files/dapedajutapis.pdf
- https://cdn.shopify.com/s/files/1/0436/4405/9806/files/64324022692.pdf
- https://cdn.shopify.com/s/files/1/0433/8214/5182/files/63693203277.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/51261694451.pdf
- https://cdn.shopify.com/s/files/1/0430/4902/5690/files/23844574157.pdf
- https://cdn.shopify.com/s/files/1/0432/0120/0288/files/fonoxuravirenu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdf
- https://cdn.shopify.com/s/files/1/0429/7955/7535/files/ratijunuw.pdf
- https://cdn.shopify.com/s/files/1/0435/7138/0383/files/80126927563.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdf
- https://cdn.shopify.com/s/files/1/0431/2501/4684/files/gukasiwozu.pdf
- https://cdn.shopify.com/s/files/1/0432/2862/7099/files/nojigazalabusesutujabo.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_off00005a53.binf465828e145236b88598e049b3cbfb9152079599d09ed1b6166cc86ecac1f569 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A53 | 5164 bytes |
font_01_sfnt_off00006bef.bin7b39d235bb100cdb0536a583f35353fbd4221a1fb32e1e42360fb7c80ae591bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BEF | 14336 bytes |
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