MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms a link to known malicious infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be part of this redirection chain.
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=telugu+christian+books+pdf+free+download
- http://files.nickpateras.org/uploads/1/3/2/7/132710655/d914f150ae.pdf
- http://files.travelagencyiowafalls.com/uploads/1/3/1/4/131453967/nokupepifipiwopake.pdf
- http://files.chriseberhardt.net/uploads/1/3/0/7/130738836/fe02ed.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0605/7888/files/pebovuwukefej.pdf
- https://cdn.shopify.com/s/files/1/0435/4693/5447/files/47287052635.pdf
- https://cdn.shopify.com/s/files/1/0434/0298/5622/files/75494544536.pdf
- https://cdn.shopify.com/s/files/1/0429/9204/2137/files/89384034575.pdf
- https://cdn.shopify.com/s/files/1/0430/1760/1181/files/50704692949.pdf
- https://cdn.shopify.com/s/files/1/0438/4319/0944/files/technical_writing_course.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4551/files/96068810657.pdf
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/84585973674.pdf
- https://cdn.shopify.com/s/files/1/0435/1141/4943/files/mujumekubedonej.pdf
- https://cdn.shopify.com/s/files/1/0439/1731/2152/files/60415865186.pdf
- https://cdn.shopify.com/s/files/1/0428/7938/5756/files/jovaze.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a7e1.bin0e8fe1c50b4992b33d9925af4c0112e7cd399da4529b31e7274516d85f53b646 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7E1 | 5660 bytes |
font_01_sfnt_off0000bb29.binf2fa294899b44f1f653afd23d47eeb6684646e4c630c7ee1ac476a9eb46647b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB29 | 10680 bytes |
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