MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=comma+splices+and+fused+sentences+pdf'. This URL is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, also contains this URL and numerous other links, many hosted on cdn.shopify.com, which is flagged as a link farm. 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.com/pify?keyword=comma+splices+and+fused+sentences+pdf
- http://files.revivalhub.eu/uploads/1/3/1/4/131437778/24571730453.pdf
- http://files.pennimanarchitects.com/uploads/1/3/1/6/131606121/7405701.pdf
- http://files.sunfoxfarm.org/uploads/1/3/0/8/130813612/dokage_junakuxapew_varovakawujisu.pdf
- https://cdn.shopify.com/s/files/1/0437/6454/7741/files/maytag_centennial_washer_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/34071365646.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73792904944.pdf
- https://cdn.shopify.com/s/files/1/0434/4014/4534/files/50100547853.pdf
- https://cdn.shopify.com/s/files/1/0434/7861/4168/files/30853749994.pdf
- https://cdn.shopify.com/s/files/1/0434/4250/3832/files/11786646076.pdf
- https://cdn.shopify.com/s/files/1/0431/7213/5074/files/73294519970.pdf
- https://cdn.shopify.com/s/files/1/0429/3161/7945/files/kolafazebagaku.pdf
- https://cdn.shopify.com/s/files/1/0428/0867/2423/files/83888827298.pdf
- https://cdn.shopify.com/s/files/1/0438/0724/4450/files/dagukivuriwox.pdf
- https://cdn.shopify.com/s/files/1/0429/9702/2871/files/nejujexano.pdf
- https://cdn.shopify.com/s/files/1/0438/4430/5056/files/github_change_website_main_file.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_off0000648a.bin35efe22279ba296a1d22684571370653bbc43f63281c201e86604b39766f5e94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x648A | 5108 bytes |
font_01_sfnt_off000075d4.bin91f1ed622a6a852f727b1c6816e664af9454d525745b31899add1db21036eb32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D4 | 10300 bytes |
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