MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.cc/pify?keyword=shielded+metal+arc+welding+pdf', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a link farm or redirection scheme. The ML classifier also 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.cc/pify?keyword=shielded+metal+arc+welding+pdf
- http://files.unpsoccer.org/uploads/1/3/0/9/130969889/3353318.pdf
- http://files.makergirlz.org/uploads/1/3/0/7/130739564/05095d01439.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nalekubaserigudopen.pdf
- https://cdn.shopify.com/s/files/1/0431/8517/6736/files/74546172602.pdf
- https://cdn.shopify.com/s/files/1/0431/1446/3394/files/pirirotafijaxuwirowubo.pdf
- https://cdn.shopify.com/s/files/1/0430/5590/6967/files/cheat_engine_6._1.pdf
- https://cdn.shopify.com/s/files/1/0435/7708/2017/files/pinch_of_yum_chicken_tinga_sheet_pan.pdf
- https://cdn.shopify.com/s/files/1/0435/3359/8880/files/epic_seven_guide_to_6_star.pdf
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/35261336027.pdf
- https://cdn.shopify.com/s/files/1/0439/9579/1518/files/49942781321.pdf
- https://cdn.shopify.com/s/files/1/0431/7003/7911/files/perixadugavaj.pdf
- https://cdn.shopify.com/s/files/1/0435/0646/6982/files/punig.pdf
- https://cdn.shopify.com/s/files/1/0431/0961/3725/files/ruxus.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_off00009c15.bin2efc1d68b7ac8bd7509de643a03a9b24732baf3f81d0ae22b181e3f7fe131f15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C15 | 5584 bytes |
font_01_sfnt_off0000aefe.bine7109cb01aa6f21ae60239e7ae88eac2c6d52a16f5faf607ae30117e8b21ad21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEFE | 10372 bytes |
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