MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document body, though heavily obfuscated, contains the same URL and references a PDF topic, suggesting a lure. The presence of numerous other links to Shopify-hosted PDFs indicates a link farm strategy to improve search engine visibility for malicious content. No scripts were extracted from this sample.
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=debate+writing+format+pdf
- http://files.junpengli.com/uploads/1/3/1/8/131858540/9099d33f8650a.pdf
- http://files.wherechangeiscertain.org/uploads/1/3/1/3/131383424/53615a305f1964.pdf
- http://bifaxom.manorhavenpta.com/uploads/1/3/0/8/130814328/6211106.pdf
- http://files.rubiniart.com/uploads/1/3/1/8/131856065/38c9381e7.pdf
- https://cdn.shopify.com/s/files/1/0431/8442/3073/files/orthographe_francais.pdf
- https://cdn.shopify.com/s/files/1/0428/3046/3142/files/quizlet_live_hack_extension.pdf
- https://cdn.shopify.com/s/files/1/0430/6960/4001/files/9703200339.pdf
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/pugofako.pdf
- https://cdn.shopify.com/s/files/1/0440/0644/1110/files/2d_rotation_matrix.pdf
- https://cdn.shopify.com/s/files/1/0434/0183/8757/files/14852315060.pdf
- https://cdn.shopify.com/s/files/1/0430/4420/8797/files/wonivovewemiwikuk.pdf
- https://cdn.shopify.com/s/files/1/0434/5053/2001/files/xatajufipariru.pdf
- https://cdn.shopify.com/s/files/1/0434/1517/5335/files/craftsman_lt1000_manual_17._5_hp.pdf
- https://cdn.shopify.com/s/files/1/0437/8873/0525/files/shadowrun_hong_kong_etiquette.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5494/files/kutamu.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076e9.binb0f5aa5fb04c6e5a9020fab84708f4087bf4601b702e5185a6ba3561568f21ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E9 | 5380 bytes |
font_01_sfnt_off00008939.bin31c108de91a6fb61c4b0cbe37df48e0192bfa311b59d88c843e37a88a803c3e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8939 | 10388 bytes |
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