MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure for free content. The ML classifier also strongly indicated maliciousness. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used to distribute 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=coffee+bar+song+video+free
- http://files.bridgingthegapmovementllc.com/uploads/1/3/1/6/131607374/surafiriwiri-jised.pdf
- http://files.e3educate.org/uploads/1/3/2/6/132681409/migigarawe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2186/8960/files/partnership_account_format_o_level.pdf
- https://cdn.shopify.com/s/files/1/0441/1323/2024/files/digikita.pdf
- https://cdn.shopify.com/s/files/1/0431/2537/5130/files/door_county_fishing_report.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/netaluxisevutoritujowilo.pdf
- https://cdn.shopify.com/s/files/1/0434/5669/2390/files/teachers_day_quotes_in_english_2019.pdf
- https://cdn.shopify.com/s/files/1/0433/9836/5340/files/zatomezisefixasagerubonat.pdf
- https://cdn.shopify.com/s/files/1/0430/0157/7625/files/linusu.pdf
- https://cdn.shopify.com/s/files/1/0445/5170/0644/files/mizusigusa.pdf
- https://cdn.shopify.com/s/files/1/0447/9225/0525/files/16927509133.pdf
- https://cdn.shopify.com/s/files/1/0434/6219/7400/files/50945738352.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_off00006859.bin20872b2b5f5e0f88afd813e6104c923987edd368ae71c79d7a6437567342646c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6859 | 5148 bytes |
font_01_sfnt_off000079ef.bin746055281b9582e0149fd73b2e7810a0e855334e69285922dcbf95458f36e214 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79EF | 10544 bytes |
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