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 is also present in the document body. This link, 'https://ttraff.cc/wix?keyword=hp+pavilion+dv4000+wifi+drivers+windows+7', is designed to lure users into downloading potentially malicious files by impersonating legitimate driver downloads. The presence of a large number of external PDF links further suggests a link farm or SEO poisoning tactic to increase visibility.
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/wix?keyword=hp+pavilion+dv4000+wifi+drivers+windows+7
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_c6162e7ae99f4d2786f0eabd5d9605a5.pdf
- https://static.usrfiles.com/ugd/55cc32_f6d13579e592432497056ebb8f10f174.pdf
- https://static.usrfiles.com/ugd/b8c837_61f6670e4eb74da582f67b161bb55618.pdf
- https://cdn.shopify.com/s/files/1/0460/6545/1163/files/apotheken_umschau_september_2019.pdf
- https://cdn.shopify.com/s/files/1/0436/5330/0377/files/51478010827.pdf
- https://static.usrfiles.com/ugd/db93e9_c0b0a70aa1604a8ea92b7078cc599d71.pdf
- https://static.usrfiles.com/ugd/0e2875_83feeb4db1ea4631a519411a512e887c.pdf
- https://static.usrfiles.com/ugd/70c1f8_9dff5c40a5fa4ce7bab960957226ed66.pdf
- https://static.usrfiles.com/ugd/01bc73_c5c65dc7c957473a8f9b98686b31226c.pdf
- https://static.usrfiles.com/ugd/b8c837_2971500a16c6426c9a06f2667ab0b9e6.pdf
- https://cdn.shopify.com/s/files/1/0445/6975/5812/files/94100227733.pdf
- https://cdn.shopify.com/s/files/1/0431/6423/7988/files/partitioning_a_segment_worksheet_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0429/9902/1717/files/20197794688.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000650b.bin91432177bd149c5277d2c559780203e19d35bb93a39ff68eb577742999a22a03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650B | 5460 bytes |
font_01_sfnt_off000077c2.bin7c8c966b73722381e3f9047b84b9529c4e9bda1886005cf80251f4c0226d7ff0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77C2 | 10704 bytes |
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