MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with at least one pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics as a malicious redirector. This suggests the primary goal is to redirect the user to malicious sites, likely for further exploitation or phishing.
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/wb?keyword=short%20unseen%20passage%20for%20class%209%20pdf
- http://wefiw.whatnextshelly.com/uploads/1/3/1/8/131858530/purivigudo-naxapu.pdf
- http://files.maryballdar.com/uploads/1/3/1/3/131382092/c02afee6.pdf
- http://nevej.biotechashok.com/uploads/1/3/0/7/130739591/dejonokitux-kidesipujudi.pdf
- http://files.rebuildinglauren.com/uploads/1/3/1/3/131380995/d54bab41c5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9727/6064/files/78572144468.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/14260956488.pdf
- https://cdn.shopify.com/s/files/1/0428/0470/7491/files/joramogazu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bizisumexu.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1068/files/borderlands_pre_sequel_athena_heads.pdf
- https://cdn.shopify.com/s/files/1/0438/0321/3984/files/zoxijuzukud.pdf
- https://cdn.shopify.com/s/files/1/0435/9228/6363/files/70573297961.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/apneia_do_sono.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_off00007d2f.bin4bfd45b8a37d5063cff0c013a5b44788cb85142deba5e65e06e8a468d7570f5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D2F | 5676 bytes |
font_01_sfnt_off00009075.bind78ce0b575a1b9a9115015d6d3198879704c8d3d0fa168b7a13acfd914f1fde1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9075 | 13280 bytes |
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