MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by multiple critical heuristics for containing links to known malicious redirector infrastructure and for being part of a link farm. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.ru/pify?keyword=libro+materialismo+histerico+pdf, which is likely used to redirect users to further malicious content. The document body itself contains garbled text but also repeats the malicious URL, reinforcing its role as a lure.
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=libro+materialismo+histerico+pdf
- http://vififo.theyogapathonline.com/uploads/1/3/1/3/131383544/3904113.pdf
- http://files.brisbanefamilyexplorers.com/uploads/1/3/0/9/130969904/zunivigawewopir.pdf
- http://files.turningpointchurchofmadison.com/uploads/1/3/0/7/130739772/pewurexisudu.pdf
- http://files.deeluxeyebar.com/uploads/1/3/0/7/130738841/8600328.pdf
- http://files.zumbawithmlinda.com/uploads/1/3/1/4/131406337/7881585.pdf
- https://cdn.shopify.com/s/files/1/0431/6859/6117/files/18996605144.pdf
- https://cdn.shopify.com/s/files/1/0430/9663/7597/files/manual_autocad_2020_espaol_gratis.pdf
- https://cdn.shopify.com/s/files/1/0437/6192/6293/files/runescape_quest_order.pdf
- https://cdn.shopify.com/s/files/1/0432/1338/9992/files/mapa_de_carreteras_de_mexico.pdf
- https://cdn.shopify.com/s/files/1/0439/1475/6251/files/9440072011.pdf
- https://cdn.shopify.com/s/files/1/0437/5465/1799/files/41906139766.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/taselalodomojobuda.pdf
- https://cdn.shopify.com/s/files/1/0436/4769/7049/files/mimuzopizilizedesesenafe.pdf
- https://cdn.shopify.com/s/files/1/0434/3899/7669/files/75719913200.pdf
- https://cdn.shopify.com/s/files/1/0427/7331/5740/files/motatakoxas.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_off000064ec.binbd8fbab33c351152d1abac5b5833452f5283bab0cb661c830ccee0ca604dab74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64EC | 5476 bytes |
font_01_sfnt_off0000775b.bine754896d2fb29596f0ea9208950d3a817b7e10718abae01fc46707fd1aa2a7bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x775B | 11272 bytes |
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