MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains embedded links that are part of a link farm, with one critical link identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a Subaru Forester manual, likely a lure to encourage clicks. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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/wb?keyword=subaru%20forester%202019%20manual%20transmission
- http://files.cajohnsonconstructioninc.com/uploads/1/3/1/1/131164157/milunolaxuxowafopewi.pdf
- http://divof.elbowtree.com/uploads/1/3/0/7/130738837/4f48b2.pdf
- http://files.agingsuccessfullytoday.com/uploads/1/3/0/8/130873902/vidawavu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/2174/4803/files/33376948298.pdf
- https://cdn.shopify.com/s/files/1/0436/4032/4256/files/32089139970.pdf
- https://cdn.shopify.com/s/files/1/0435/3576/1567/files/xitirigipewu.pdf
- https://cdn.shopify.com/s/files/1/0430/8733/1481/files/lame_for_audacity.pdf
- https://cdn.shopify.com/s/files/1/0432/5156/4707/files/96279621887.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3464/files/bibibibusopu.pdf
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/liwunojifireluwolixe.pdf
- https://cdn.shopify.com/s/files/1/0433/3253/4440/files/fuwedawo.pdf
- https://cdn.shopify.com/s/files/1/0434/9915/9718/files/xewomafutugojajanivog.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vunumegosuvuvorewufo.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/srimanthudu_blu_ray.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_off000083d0.binf5a08e72e0bbefe5cc419ee7965c2d6edcef058190aeae40ae2752dd3c767657 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D0 | 5636 bytes |
font_01_sfnt_off000096ea.bin667fa5f40efb171969d4cec2eab8e3430b1da5438e7efae57f3587e9879c7306 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96EA | 10492 bytes |
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