MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one heuristic specifically identifying a 'PDF_SEO_LINK_FARM' and another flagging a 'PDF_MALICIOUS_REDIRECTOR_LINK' pointing to 'ttraff.ru'. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=accordion+booklet+template', suggesting a lure to a redirector service. The presence of numerous links, including to Shopify domains, indicates an attempt to create a link farm for SEO manipulation or 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.ru/pify?keyword=accordion+booklet+template
- http://files.coolrydescustoms.com/uploads/1/3/1/4/131483281/gigopujaxixe.pdf
- http://files.parachuteteachers.com/uploads/1/3/0/9/130969762/f4c1b9cbb.pdf
- http://files.catchabussouth.com/uploads/1/3/0/8/130813362/fesoketo-bedota-pefevif.pdf
- https://cdn.shopify.com/s/files/1/0427/8448/9631/files/visuno.pdf
- https://cdn.shopify.com/s/files/1/0435/7983/4531/files/reversed_phase_chromatography.pdf
- https://cdn.shopify.com/s/files/1/0429/3863/0300/files/windows_10_environment_variables.pdf
- https://cdn.shopify.com/s/files/1/0434/8107/1782/files/ferevikit.pdf
- https://cdn.shopify.com/s/files/1/0437/9167/9639/files/54077441828.pdf
- https://cdn.shopify.com/s/files/1/0431/3494/3388/files/13731036356.pdf
- https://cdn.shopify.com/s/files/1/0429/5062/3385/files/31497471090.pdf
- https://cdn.shopify.com/s/files/1/0429/6933/3916/files/rubawamotumixujugududes.pdf
- https://cdn.shopify.com/s/files/1/0429/9541/7237/files/59397299519.pdf
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/73115276165.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_off0000927f.bin4802a04a89b9298a4ecdf96084937761009caaae3003e84dc08614b5e26afe39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x927F | 5232 bytes |
font_01_sfnt_off0000a429.bind3675ca48acd54e49b0eeef134fe9fa52be358a66937934d750babfb78277e83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA429 | 10288 bytes |
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