MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains text that appears to be a lure for an "iso image" download. The ML classifier strongly indicated maliciousness, and the PDF structure itself was flagged for containing a mass external link farm.
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=cactiez+iso+image
- http://files.obxchirothrive.com/uploads/1/3/1/6/131606094/gutedinaxada-fedovobe.pdf
- http://mabemo.cimstore.com/uploads/1/3/1/3/131384611/a5425c0b.pdf
- http://pifibeluz.tinctureoftimellc.com/uploads/1/3/0/8/130873947/baponise-jemugizo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/37770013011.pdf
- https://cdn.shopify.com/s/files/1/0430/8362/8697/files/11280208396.pdf
- https://cdn.shopify.com/s/files/1/0430/6275/5490/files/55207090020.pdf
- https://cdn.shopify.com/s/files/1/0436/1073/4755/files/56994911388.pdf
- https://cdn.shopify.com/s/files/1/0431/8085/1362/files/88454600362.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35022180152.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/84713817812.pdf
- https://cdn.shopify.com/s/files/1/0439/1777/0904/files/sewoneb.pdf
- https://cdn.shopify.com/s/files/1/0428/6903/1078/files/pimajetuper.pdf
- https://cdn.shopify.com/s/files/1/0440/6067/2165/files/plant_cell_organelles_and_functions.pdf
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/90051064147.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_off000066ae.bin24bf15e5ff86939afb0ece1491a2673a2b5826615dcec4068746064bdbff4696 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AE | 4944 bytes |
font_01_sfnt_off00007779.bin3afbb6a8e9b1a57c7b27db556234c3394905d7b0c6fde70d29d4242da10bb2b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7779 | 10244 bytes |
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