MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a rate increase letter. The document body and heuristics indicate a lure to a malicious URL. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=rate+increase+letter
- http://files.themissingbride.com/uploads/1/3/0/7/130740442/betovepuw.pdf
- http://files.tabithapang.com/uploads/1/3/1/8/131857655/nupoj-xokuzenibaluxo-xosadutonetalo.pdf
- http://files.inspiredbychoices.com/uploads/1/3/2/6/132695384/demojekegeg-rokowelotali.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/genigalazoximawut.pdf
- https://cdn.shopify.com/s/files/1/0431/1577/4108/files/95965972363.pdf
- https://cdn.shopify.com/s/files/1/0438/2710/1853/files/53564301159.pdf
- https://cdn.shopify.com/s/files/1/0432/7188/0870/files/95365700235.pdf
- https://cdn.shopify.com/s/files/1/0440/2626/5765/files/ramukojezonofimobejeli.pdf
- https://cdn.shopify.com/s/files/1/0437/3469/6097/files/sapabava.pdf
- https://cdn.shopify.com/s/files/1/0432/0631/2093/files/3109071978.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1718/files/natawalegubujivobi.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/nifiwifikuxufuzot.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4632/files/dotodojurukojeja.pdf
- https://cdn.shopify.com/s/files/1/0429/8178/5753/files/6111032495.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_off00008717.bin85be8db0f6a271238a031c4f1214aec8a847e273fffd1fc08bb7774a0e59762c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8717 | 4800 bytes |
font_01_sfnt_off0000977a.bin9540bcfb4f5d9e3828cc230d7a2b2ae43b9b14dbf6905e38b6bc52f114dcb912 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977A | 10660 bytes |
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