MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of embedded links, many of which point to a redirector infrastructure designed to lead users to malicious sites. The document body, though heavily obfuscated, appears to be a lure related to game downloads. The ML classifier strongly indicated maliciousness, and the presence of numerous external links supports a phishing or scamming attack pattern.
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/pify?keyword=battlefield+3++free+pc
- http://files.weecansign.com/uploads/1/3/2/7/132740814/xififir-wufabebasezuw.pdf
- http://files.pongdeelab.org/uploads/1/3/0/8/130813639/7832761.pdf
- http://files.lucymortonmusic.com/uploads/1/3/0/7/130739991/zusupepe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3088/8094/files/finudet.pdf
- https://cdn.shopify.com/s/files/1/0429/8221/1733/files/99388984165.pdf
- https://cdn.shopify.com/s/files/1/0440/0925/9158/files/kozisoxomipagado.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8573/files/33623103731.pdf
- https://cdn.shopify.com/s/files/1/0430/6780/1749/files/nuzevav.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12509012650.pdf
- https://cdn.shopify.com/s/files/1/0430/6308/3170/files/43109260864.pdf
- https://cdn.shopify.com/s/files/1/0433/8096/5534/files/nexukumegujizogidim.pdf
- https://cdn.shopify.com/s/files/1/0433/0605/7883/files/53531785786.pdf
- https://cdn.shopify.com/s/files/1/0432/8131/8056/files/vevum.pdf
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/35981591088.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_off0000757a.bin1d803e2bdef1d97a640c9a4c8be998023f17eef68bcf90ff32b507732cddf411 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x757A | 4756 bytes |
font_01_sfnt_off000085b2.bin931ddbc0099496316eea083575359189e14742276b387fc2709265fec4d65066 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85B2 | 10228 bytes |
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