MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, characteristic of a link farm, with a critical heuristic firing indicating redirection to known malicious infrastructure. The primary malicious URL identified is `https://ttraff.ru/pify?keyword=capacitor+value+chart+pdf`. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lure users to malicious sites.
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=capacitor+value+chart+pdf
- http://luzasisoz.houseofaroma.studio/uploads/1/3/1/3/131380042/dagisapeputen.pdf
- http://files.laurenbretana.com/uploads/1/3/1/1/131164079/8500390.pdf
- http://files.mrdaviseng.com/uploads/1/3/2/6/132680926/8833029.pdf
- https://cdn.shopify.com/s/files/1/0429/6962/8828/files/todaralofewowuzumoma.pdf
- https://cdn.shopify.com/s/files/1/0434/1871/4264/files/o_mio_babbino_caro_scribd.pdf
- https://cdn.shopify.com/s/files/1/0428/2561/3475/files/metuxolepuzur.pdf
- https://cdn.shopify.com/s/files/1/0428/2862/8135/files/kezaduzaxom.pdf
- https://cdn.shopify.com/s/files/1/0440/7659/7400/files/fakatebupap.pdf
- https://cdn.shopify.com/s/files/1/0453/9387/1016/files/worth_the_wait_book.pdf
- https://cdn.shopify.com/s/files/1/0431/6787/5228/files/nonakebupimire.pdf
- https://cdn.shopify.com/s/files/1/0437/9770/8957/files/might_not_weeknd.pdf
- https://cdn.shopify.com/s/files/1/0431/8406/2622/files/72201673290.pdf
- https://cdn.shopify.com/s/files/1/0437/3712/0933/files/76494648126.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_off00006a67.bin1ca70a98d849608295dadfc0c4528901c224255d2f6a0c6fcf246d46e2ffdeb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A67 | 5032 bytes |
font_01_sfnt_off00007b7e.bin627b2a7936ccc0126f6181269345ee7af20da0cfe3dc485780b4e1395530cc69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B7E | 14240 bytes |
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