MALICIOUS
158
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded JavaScript and a critical malicious redirector link pointing to ttraff.ru. This link is designed to lure the user to a page that likely hosts further malicious content, disguised as a PDF download. The ML classifier also strongly indicated maliciousness. The document body text, while garbled, contains keywords related to a support group manual, likely a lure to entice clicks on the malicious link.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=grief+and+loss+support+group+facilitator+s+manual+pdf
- http://files.edgertonbookfestival.org/uploads/1/3/1/1/131163559/1010284a28.pdf
- http://mexur.kilimanjarohope.org/uploads/1/3/2/7/132712323/ponesusig-kimuvepo-vojurakofag-luforejunutesi.pdf
- http://fewivar.johnnysoln.com/uploads/1/3/1/4/131482952/5978983.pdf
- http://files.hairloungeltd.co.uk/uploads/1/3/1/8/131871571/tuxorobizowi_gipilutepib_wixaxumuv.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/53286652168.pdf
- https://cdn.shopify.com/s/files/1/0430/3021/6855/files/delulesevumisikitoleruf.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/75373066573.pdf
- https://cdn.shopify.com/s/files/1/0434/7179/8424/files/ginivuvafixazemixuti.pdf
- https://cdn.shopify.com/s/files/1/0433/6913/6284/files/87669098440.pdf
- https://cdn.shopify.com/s/files/1/0440/7230/4805/files/osrs_f2p_money_making.pdf
- https://cdn.shopify.com/s/files/1/0437/4301/9159/files/mnemonica_book.pdf
- https://cdn.shopify.com/s/files/1/0432/2449/8333/files/29575361535.pdf
- https://cdn.shopify.com/s/files/1/0448/4333/5837/files/ankle_sprain_exercises_kaiser.pdf
- https://cdn.shopify.com/s/files/1/0433/8620/8406/files/before_he_cheats_piano.pdf
- https://cdn.shopify.com/s/files/1/0440/3832/4374/files/17034492320.pdf
- https://cdn.shopify.com/s/files/1/0432/0080/7070/files/pmp_braindumps.pdf
- https://cdn.shopify.com/s/files/1/0435/7029/9038/files/fuvevaxunumonaposobi.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_off00005409.bin97de8be6124c5a3df7261ddb305eb41f306d3e6e0f880f99c4f24d8783d163f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5409 | 5508 bytes |
font_01_sfnt_off000066b6.bin64bfa48930b74fac47ec49dde690a7f9f9567eacce97222429b8eabd9a91af3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B6 | 10876 bytes |
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