MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a significant number of embedded links. One critical heuristic indicates that these links point to known malicious redirector infrastructure, specifically 'ttraff.ru'. Another heuristic identified a PDF link farm, with many links hosted on 'cdn.shopify.com'. The document body contains the URL 'https://ttraff.ru/pify?keyword=adjective+comparative+form+examples', which is likely used to direct users to 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=adjective+comparative+form+examples
- http://files.mandanparade.com/uploads/1/3/0/7/130776273/kuvikexup_fasipuxofuzepib_fenokuninuwugud_nixigazopi.pdf
- http://files.helen-richard-hamblin.com/uploads/1/3/1/6/131636654/2790394.pdf
- https://cdn.shopify.com/s/files/1/0436/5815/0046/files/39627227874.pdf
- https://cdn.shopify.com/s/files/1/0429/4764/1511/files/37017639505.pdf
- https://cdn.shopify.com/s/files/1/0450/7769/2581/files/define_behaviour.pdf
- https://cdn.shopify.com/s/files/1/0429/1212/0998/files/weight_lifting_program_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/25364230609.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/nawosurugavafifuj.pdf
- https://cdn.shopify.com/s/files/1/0435/6240/1947/files/xikipuwute.pdf
- https://cdn.shopify.com/s/files/1/0440/7181/3285/files/temakivoligukolateja.pdf
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/60270482043.pdf
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/kosubap.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_off000062b9.bin4c7ebed81a5347ae43ebcc2b35ae86edaabe3ae6ccfbf4c1cb713176bad5d289 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B9 | 5496 bytes |
font_01_sfnt_off0000755d.bin463849a1b0460cd417a959b3beee951c0a16a74c4a416c1899f92f35b9f57dbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x755D | 13628 bytes |
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