MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which points to a URL designed to lure users with a book download. This redirector then leads to a PDF hosted on a CDN. The ML classifier also strongly flagged this PDF as malicious. The document body contains the redirector URL and several other PDF links, suggesting a link farm or redirection scheme to distribute malicious content.
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=lecher+antenna+book+pdf+free+download
- http://files.lifeontherockinternational.com/uploads/1/3/0/7/130739169/jinevowomipunaraj.pdf
- http://files.primarytackle.com/uploads/1/3/2/6/132681062/8183264.pdf
- http://files.forehandfinancial.com/uploads/1/3/1/4/131438111/367ceaa27.pdf
- http://files.durhamregionroofing.com/uploads/1/3/2/7/132712234/5326070.pdf
- http://files.sockfetishsocks.com/uploads/1/3/0/7/130739783/674585.pdf
- https://cdn.shopify.com/s/files/1/0433/7837/6867/files/majav.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdf
- https://cdn.shopify.com/s/files/1/0430/2408/9242/files/10540713037.pdf
- https://cdn.shopify.com/s/files/1/0434/2199/1079/files/12083528010.pdf
- https://cdn.shopify.com/s/files/1/0430/0996/6239/files/duwukodotozupijinunajot.pdf
- https://cdn.shopify.com/s/files/1/0430/6491/8165/files/43917941965.pdf
- https://cdn.shopify.com/s/files/1/0428/9773/5843/files/23621867487.pdf
- https://cdn.shopify.com/s/files/1/0432/2010/7424/files/4813127380.pdf
- https://cdn.shopify.com/s/files/1/0428/3367/4396/files/73783193452.pdf
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/75411562569.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_off000060dc.binc18b735ef8a995ec9ef75fc43aa974fffa2ba79a09a78e08deef6484f85b80c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60DC | 5300 bytes |
font_01_sfnt_off000072f3.bind01b36d21d388f41674ae9581aac901fc607d75df00c02dc499de65b017c8ee8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72F3 | 9828 bytes |
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