MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'mens style guide' and a URL that appears to be part of a link farm. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent, likely to redirect users to malicious sites.
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=mens+style+guide+spring+2019
- http://xiwasa.portsmouthacupuncture.org/uploads/1/3/1/6/131636725/lowakijuni.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/1909/8523/files/apollinaire_poesie.pdf
- https://cdn.shopify.com/s/files/1/0437/4655/8106/files/xonowutavubonozu.pdf
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/supalosedipisiwoporegur.pdf
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/suben.pdf
- https://cdn.shopify.com/s/files/1/0431/4356/1376/files/fidenin.pdf
- https://cdn.shopify.com/s/files/1/0438/0255/8621/files/55418226575.pdf
- https://cdn.shopify.com/s/files/1/0438/6239/2992/files/barreau_de_montreal_formation_continue.pdf
- https://cdn.shopify.com/s/files/1/0434/2182/7222/files/98548390257.pdf
- https://cdn.shopify.com/s/files/1/0432/3796/5986/files/gadowivirij.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/78729112284.pdf
- https://cdn.shopify.com/s/files/1/0432/1044/0862/files/emulsion_polymerization_review.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_off000078ea.bin506d940bb2da09468d7017d1ac1ce03eb3d6ce2aca40fd6f53d65cbbd06fac1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78EA | 5504 bytes |
font_01_sfnt_off00008bc4.bin5d085d99e56be2c97347dc6f1587720208854eeec373a6c1b7b3c310585d9d65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BC4 | 10524 bytes |
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