MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a redirector service, which is a common tactic for distributing malware. The document body, though heavily obfuscated, contains keywords related to 'Samsung np300e5a drivers windows 7', suggesting a lure for users searching for specific drivers. The presence of numerous links to PDF files hosted on Shopify and other static hosting services indicates a link farm designed to improve search engine ranking for malicious content. The ML classifier strongly flagged this PDF as malicious.
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=samsung+np300e5a+drivers+windows+7
- https://cdn.shopify.com/s/files/1/0431/3897/3857/files/34684040579.pdf
- https://cdn.shopify.com/s/files/1/0464/7380/5982/files/82921080245.pdf
- https://cdn.shopify.com/s/files/1/0432/0706/5760/files/po_bank_exam_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/51683455033.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/1264360045.pdf
- https://static.usrfiles.com/ugd/b8c837_00599d8ac6fc4720becba405955ae7e7.pdf
- https://static.usrfiles.com/ugd/b8c837_feaca2158ed345b5a23ce8cb5d1b11aa.pdf
- https://static.usrfiles.com/ugd/b8c837_568de4dcaec448ea9f98eaad08b503d2.pdf
- https://static.usrfiles.com/ugd/b8c837_e8353486f17742b387d5f83487f42cb9.pdf
- https://static.usrfiles.com/ugd/b8c837_c29ae1bceaaa479c8e4ea670a18e14fb.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/nabiwoli.pdf
- https://cdn.shopify.com/s/files/1/0429/9486/0191/files/riesgo_biologico.pdf
- https://cdn.shopify.com/s/files/1/0429/0812/3303/files/sonupaxabewaga.pdf
- https://cdn.shopify.com/s/files/1/0427/8393/2582/files/reliabilt_sliding_doors.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_off00006104.bine60ca1a0547ae3d7d8fba420e5d5f822bc7546fc057a786bf1f049451cc790a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6104 | 6012 bytes |
font_01_sfnt_off00007575.bin9ed2e5df0e2b0665e6d751fd36b2763193bf7ac5748c58748a095110ff5bfa0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7575 | 14564 bytes |
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