MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm designed to appear as legitimate PDF documents. The primary malicious link, https://ttraff.com/pify?keyword=linux+commands+cheat+sheet+2017+pdf, is identified as a redirector to malicious infrastructure. The document body, though heavily obfuscated, contains references to the Linux commands cheat sheet lure and the malicious URL, suggesting a social engineering attempt to drive traffic to the redirector.
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=linux+commands+cheat+sheet+2017+pdf
- http://files.nationalhorselovers.com/uploads/1/3/0/7/130776682/0d9b220.pdf
- http://files.authorshirts.com/uploads/1/3/1/3/131378852/gasumepotuju.pdf
- http://files.indigobodymassage.com/uploads/1/3/1/3/131398099/5b8b57e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2174/5823/files/90322190329.pdf
- https://cdn.shopify.com/s/files/1/0440/7335/3366/files/itextsharp_c_getting_the_comment_from.pdf
- https://cdn.shopify.com/s/files/1/0430/9745/6789/files/25970714260.pdf
- https://cdn.shopify.com/s/files/1/0430/9798/1089/files/60974081167.pdf
- https://cdn.shopify.com/s/files/1/0435/8039/1585/files/23493728669.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/87480639786.pdf
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/4699599230.pdf
- https://cdn.shopify.com/s/files/1/0433/8489/7701/files/22242061583.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/77280630613.pdf
- https://cdn.shopify.com/s/files/1/0438/0190/3264/files/13585706850.pdf
- https://cdn.shopify.com/s/files/1/0430/8277/6729/files/53493235409.pdf
- https://cdn.shopify.com/s/files/1/0431/5411/2672/files/lubiribokoviwoturebakuli.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_off00007452.bin86e0631c5f18ccc220b2882fa44399ee1a8f3aabebecd3fbfa5a72fbcb557294 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7452 | 5680 bytes |
font_01_sfnt_off00008798.bin1a82e28307071fab8e4776e35c4163acca39730e8d7299bf75f383101dd841cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8798 | 14596 bytes |
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