MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded URLs, with a critical heuristic firing indicating a malicious redirector link to 'ttraff.ru'. Another critical heuristic identified a PDF link farm, with 'cdn.shopify.com' being a dominant host. The ML classifier strongly flagged this PDF as malicious. The document body, though partially corrupted, contains the malicious URL and other links, suggesting a lure to external, potentially harmful, content.
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=lobo+hombre+boris+vian+libro+pdf
- http://files.episcopalchurchonedisto.org/uploads/1/3/0/7/130739895/julusetiliwejo-nevadutijumud-niwikulobefeni-zupebewunesir.pdf
- http://files.motivelove.com/uploads/1/3/0/7/130776728/9627091.pdf
- http://files.pvbcn.org/uploads/1/3/1/8/131856883/4139356.pdf
- http://dakem.newberrycoffeeroasters.com/uploads/1/3/1/0/131070420/701448.pdf
- http://files.sierranevadapork.com/uploads/1/3/0/7/130776327/pexilimubibexagasuta.pdf
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/pifonavefibutejasejad.pdf
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/catholic_encyclopedia_vol_4.pdf
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/guia_de_adestramento_para_ces.pdf
- https://cdn.shopify.com/s/files/1/0438/4007/7981/files/65962265572.pdf
- https://cdn.shopify.com/s/files/1/0431/5666/8565/files/wugemekabuxaxujo.pdf
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/34642539704.pdf
- https://cdn.shopify.com/s/files/1/0436/0945/6803/files/labizewusizado.pdf
- https://cdn.shopify.com/s/files/1/0431/5391/6060/files/5393820402.pdf
- https://cdn.shopify.com/s/files/1/0432/7679/6057/files/doxemaforopogokulin.pdf
- https://cdn.shopify.com/s/files/1/0451/3719/9257/files/zalexidajod.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_off0000a1c4.binaa64a7170a84ac3411717b9b06c5d07c7fcbe1c0c403b1ca05efd3badffb1de3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1C4 | 5420 bytes |
font_01_sfnt_off0000b40c.bin4cf99359778993368c40d5bebab46ee406f4ac058bdef45dce4364365ac153d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB40C | 10272 bytes |
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