MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a phishing or malware download site. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to a calendar. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious 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.cc/pify?keyword=calendario+mundial+rusia+2020+costa+rica+pdf
- http://files.agnescakes.net/uploads/1/3/1/4/131454317/2428662.pdf
- http://files.amesburywest.org/uploads/1/3/1/3/131380005/5733449.pdf
- http://files.raytannerfoundation.org/uploads/1/3/0/9/130969356/9194210.pdf
- http://files.joycedonahuelive.com/uploads/1/3/1/0/131070112/bugaj-zewaporukojis-fakekamozekomi-jifivogosara.pdf
- http://files.auntbettyskitchen.com/uploads/1/3/2/6/132681513/f5d6d26e25aba48.pdf
- https://cdn.shopify.com/s/files/1/0436/9124/5733/files/wwe_13_roster.pdf
- https://cdn.shopify.com/s/files/1/0429/0736/9639/files/luwuturag.pdf
- https://cdn.shopify.com/s/files/1/0430/3591/8489/files/pokawaw.pdf
- https://cdn.shopify.com/s/files/1/0429/3961/3347/files/bulaklak_sa_city_jail.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/29755738239.pdf
- https://cdn.shopify.com/s/files/1/0438/2208/8354/files/oral_carcinogenesis.pdf
- https://cdn.shopify.com/s/files/1/0429/7129/9999/files/tigaguloraz.pdf
- https://cdn.shopify.com/s/files/1/0429/7857/4490/files/jesabuxadiliwud.pdf
- https://cdn.shopify.com/s/files/1/0432/8521/7436/files/guajira_santana.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_off000062f5.bin2d79aefa3a73ae749f5538cb51b6416783134c703bb104b3abea86829e92b7fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62F5 | 5480 bytes |
font_01_sfnt_off0000757b.bin295474364f17d618373298d91756aa088643fd4c88662e4bde3864864b6d6673 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x757B | 11096 bytes |
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