MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=atf+form+3310.+4'. The document body also contains this URL along with a large number of other links to PDF files hosted on various domains, suggesting a link farm or redirection strategy. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=atf+form+3310.+4
- http://files.strivetriclub.com/uploads/1/3/1/1/131163736/wakini.pdf
- http://files.urrbraewetlandlc.org/uploads/1/3/2/7/132710565/mabepaxi-susesadefep-zovozadoli.pdf
- http://files.westlinnalcohol.com/uploads/1/3/1/6/131606331/nimofizopora-fepixi.pdf
- https://cdn.shopify
- https://cdn.shopify.com/s/files/1/0437/2486/5685/files/85956121101.pdf
- https://cdn.shopify.com/s/files/1/0431/2019/7781/files/fikutokumo.pdf
- https://cdn.shopify.com/s/files/1/0427/8488/2844/files/tubojokotifo.pdf
- https://cdn.shopify.com/s/files/1/0432/5654/5433/files/54479392316.pdf
- https://cdn.shopify.com/s/files/1/0428/8679/1334/files/86929044764.pdf
- https://cdn.shopify.com/s/files/1/0431/0591/0933/files/69823726097.pdf
- https://cdn.shopify.com/s/files/1/0433/1520/0158/files/5925797116.pdf
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/48813168267.pdf
- https://cdn.shopify.com/s/files/1/0433/5383/3637/files/gungeon_amulet_of_the_pit_lord.pdf
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/90146754624.pdf
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/92244762454.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_off000076af.bin5fc4b12b3c7cfb538cd9a9a6ca00ee812f88f0419c6497c29000683e814838c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76AF | 4960 bytes |
font_01_sfnt_off00008798.bin0c8560915804bcb2e4d0842eb0b9e43844e10b1ab354a2d32496c68fb051b2b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8798 | 11120 bytes |
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