MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. The document body, though heavily obfuscated, contains a URL that matches the malicious 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.ru/wb?keyword=engineering%20mechanics%20dynamics%2013th%20ed%20pdf
- http://files.circleofloveceremonies.com/uploads/1/3/1/4/131438784/9fbced80982.pdf
- http://files.hiddennation.org/uploads/1/3/0/7/130739449/1281053.pdf
- http://notigave.walkingshadowshakespeare.com/uploads/1/3/1/3/131381204/xanegitazuxixefuf.pdf
- http://files.bonnystaufferart.com/uploads/1/3/1/4/131483110/12d92b7af2729.pdf
- http://files.eugenemontgomery.com/uploads/1/3/1/4/131438766/zesolabugilobe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/9257/3336/files/beyond_the_sea_piano_free.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4829/files/10517763457.pdf
- https://cdn.shopify.com/s/files/1/0431/3799/0805/files/lp_bronkitis_kronis.pdf
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/39950121681.pdf
- https://cdn.shopify.com/s/files/1/0437/7070/8125/files/cassava_production_guide_in_the_philippines.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/68763065705.pdf
- https://cdn.shopify.com/s/files/1/0429/6251/8182/files/ruzajoxik.pdf
- https://cdn.shopify.com/s/files/1/0428/4973/0727/files/gisaluxe.pdf
- https://cdn.shopify.com/s/files/1/0428/5625/1555/files/39028390056.pdf
- https://cdn.shopify.com/s/files/1/0431/8271/9136/files/47783125991.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_off00007270.bine0c9051b6d5bd0a32c8ac18efca3c2f9b85603adf07c123cdd8966b5dff6744b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7270 | 5812 bytes |
font_01_sfnt_off00008610.bincbf5545b8066907ab34e8b0eef0862d42785dae329de391b019f8f70d656ad26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8610 | 10076 bytes |
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