MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with the primary link pointing to a redirector. The majority of other links point to a link farm hosted on Shopify, suggesting an attempt to manipulate search engine results or redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL supports this assessment.
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=complex+analysis+stein+pdf
- http://files.rockymountainraconteur.ca/uploads/1/3/0/7/130739227/2810237.pdf
- http://files.kidhack.net/uploads/1/3/2/6/132695730/zafapaxururatexi.pdf
- http://files.hammerheaddfs.com/uploads/1/3/0/7/130776644/41eaf28c8f845.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/57971191114.pdf
- https://cdn.shopify.com/s/files/1/0430/3021/6855/files/zesuli.pdf
- https://cdn.shopify.com/s/files/1/0438/2559/4530/files/14446453863.pdf
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/sarogurubevetapebed.pdf
- https://cdn.shopify.com/s/files/1/0427/5326/1724/files/palazasobaluligejokakutaf.pdf
- https://cdn.shopify.com/s/files/1/0438/6727/5424/files/vutujabegidigebef.pdf
- https://cdn.shopify.com/s/files/1/0434/6845/6086/files/17947236554.pdf
- https://cdn.shopify.com/s/files/1/0432/4864/8354/files/wikovazizedisa.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8359/files/17925647186.pdf
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/kosovakuwigefaziwekonurix.pdf
- https://cdn.shopify.com/s/files/1/0433/5386/6408/files/67764752353.pdf
- https://cdn.shopify.com/s/files/1/0434/4938/5110/files/enter_the_gungeon_double_vision.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_off000067b3.binb95701ed9d5b21e1586939de350a37024c85dec2578fc283dd1f0b6fedc92b06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B3 | 5168 bytes |
font_01_sfnt_off00007941.bin3419e632e19aba2bbd344069f6414b6f05b046372765f6fd1b48411813f25b18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7941 | 10416 bytes |
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