MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirect. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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=alesis+control+pad+user+manual
- http://wivupafel.fatherbrowning.com/uploads/1/3/1/8/131856331/4826230.pdf
- http://files.mofflongboards.com/uploads/1/3/0/7/130775952/novolojuvulujug-jewolonenuba.pdf
- https://cdn.shopify.com/s/files/1/0434/7310/9152/files/96878213142.pdf
- https://cdn.shopify.com/s/files/1/0434/3896/4903/files/xixemaxujazofanarikuwa.pdf
- https://cdn.shopify.com/s/files/1/0437/3001/0273/files/60733309416.pdf
- https://cdn.shopify.com/s/files/1/0438/6599/7472/files/bluestacks_4_for_pc_highly_compressed.pdf
- https://cdn.shopify.com/s/files/1/0432/5788/8932/files/60350555419.pdf
- https://cdn.shopify.com/s/files/1/0435/4827/8935/files/fidurewamikavab.pdf
- https://cdn.shopify.com/s/files/1/0430/8199/0295/files/pubadejugit.pdf
- https://cdn.shopify.com/s/files/1/0431/3192/8740/files/46518000737.pdf
- https://cdn.shopify.com/s/files/1/0428/8184/3356/files/33676539904.pdf
- https://cdn.shopify.com/s/files/1/0435/4048/0155/files/8024084304.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/lumirup.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056d4.bin32bb65e71500dcb7fd0f8e21825db6464a6eb0d936cb22a76224e8681cf8e882 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56D4 | 5208 bytes |
font_01_sfnt_off00006864.bin6ace675e9f8ab45364236015be77c1c347e8c16c79517e28e441ad10a9e9093a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6864 | 10112 bytes |
font_02_sfnt_off00008b33.binb9423132d1eb23228d477a4e7aa6201cf1edfc5936f5ea759fe72b2a7f5e39fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B33 | 3044 bytes |
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