MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with 28 external PDF links, with the primary malicious redirector URL being ttraff.com. The document body is heavily obfuscated and appears to be a lure related to 'Honda b20 engine performance parts'. The ML classifier strongly flagged this PDF as malicious, and the presence of a malicious redirector link indicates a high likelihood of user redirection to malicious 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/pify?keyword=honda+b20+engine+performance+parts
- http://files.tusamalaysia.com/uploads/1/3/2/7/132711954/8164877eac5.pdf
- http://files.ianwarder.com/uploads/1/3/1/4/131453252/5b37e6ba37afa.pdf
- http://files.orchidbakery.co.uk/uploads/1/3/1/4/131454355/7025712.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/0235/4070/files/zejumexufawefexemeremedop.pdf
- https://cdn.shopify.com/s/files/1/0435/1990/1850/files/44912922032.pdf
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/descarca_biblia_ortodoxa.pdf
- https://cdn.shopify.com/s/files/1/0435/7079/0558/files/nomonavutapinolo.pdf
- https://cdn.shopify.com/s/files/1/0440/3331/0870/files/64107429309.pdf
- https://cdn.shopify.com/s/files/1/0437/4714/7928/files/19298491967.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/wibek.pdf
- https://cdn.shopify.com/s/files/1/0448/6466/7810/files/cement_plant_handbook.pdf
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/pofiduzolozusisilowof.pdf
- https://cdn.shopify.com/s/files/1/0431/3818/7413/files/physics_for_scientists_and_engineers_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/4219/4083/files/bilevenubixowoletisugafor.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_off00005139.bin07bd961bd997e5bad9534735ee140bd23861568e42f4d24f05183358b2e17262 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5139 | 5820 bytes |
font_01_sfnt_off000064ee.bin20c27d59ebd5308405fb5ef212801de396ce2fc11016caacb968419453ecd8f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64EE | 10788 bytes |
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