MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning attempt. One of the primary links, https://ttraff.ru/pify?keyword=cute+baby+laughing+ringtone+free, is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the malicious URL.
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=cute+baby+laughing+ringtone+free
- http://files.alexlanshe.com/uploads/1/3/1/4/131438888/mikosojoxox.pdf
- http://files.designsbybrunner.com/uploads/1/3/1/8/131856646/fozodusojad-tibima-punalax-wigiromadaxaxej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/2066/5510/files/12392972245.pdf
- https://cdn.shopify.com/s/files/1/0433/0812/2270/files/rubukoka.pdf
- https://cdn.shopify.com/s/files/1/0435/3448/3616/files/davamilofuselise.pdf
- https://cdn.shopify.com/s/files/1/0435/6558/0449/files/haakaa_manual_breast_pump_review.pdf
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/pufolor.pdf
- https://cdn.shopify.com/s/files/1/0440/1466/5886/files/paralytic_ileus_radiology.pdf
- https://cdn.shopify.com/s/files/1/0429/3410/8323/files/3199644784.pdf
- https://cdn.shopify.com/s/files/1/0430/1419/3311/files/53864466881.pdf
- https://cdn.shopify.com/s/files/1/0434/6167/3126/files/wabijosusufodeg.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_off000058bd.binb49e1fa0e0b05635685cff0f9e7667ac1fc6aea4eaad89b3f2c276bdb8179292 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58BD | 4996 bytes |
font_01_sfnt_off000069be.bin3d19279dc61068163d35e7058dd61325d0dd93f8b233d57cf026b3d88a7b84f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69BE | 10240 bytes |
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