MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination. The document body, though heavily obfuscated, contains references to 'android mobile mmorpg' and a URL that appears to be part of a link farm designed to attract search engine traffic. This suggests a social engineering tactic to lure users to malicious content. The ML classifier strongly flagged this PDF as malicious.
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=android+mobile+mmorpg
- http://files.foxchapelnewcomers.org/uploads/1/3/1/4/131407734/xatoxerejafej.pdf
- http://numuwulir.information4felons.com/uploads/1/3/2/6/132695601/sexulotarawu.pdf
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/bivepumov.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/34707652888.pdf
- https://cdn.shopify.com/s/files/1/0438/5207/1074/files/convert_kindle_ebook_to_online.pdf
- https://cdn.shopify.com/s/files/1/0432/2459/6642/files/tajusidokofipulofa.pdf
- https://cdn.shopify.com/s/files/1/0430/2071/4137/files/52473442495.pdf
- https://cdn.shopify.com/s/files/1/0430/7910/6724/files/analisis_financiero_horizontal_y_vertical.pdf
- https://cdn.shopify.com/s/files/1/0435/6915/2163/files/80s_country_music.pdf
- https://cdn.shopify.com/s/files/1/0435/1832/8991/files/git_xcrun_error_invalid_active_developer_path.pdf
- https://cdn.shopify.com/s/files/1/0440/4235/4853/files/63961784763.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/fallout_4_trip_to_the_stars.pdf
- https://cdn.shopify.com/s/files/1/0455/4902/7493/files/cantilever_footing_design.pdf
- https://cdn.shopify.com/s/files/1/0433/3862/9275/files/2018_chevrolet_equinox_owners_manual.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_off00006636.bin21b8aa6ce5e288d339ed1caa2e63152b45644d81c0c6d0dba50afee65b40ea9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6636 | 5020 bytes |
font_01_sfnt_off0000772e.bin4d417ab299d48bdcc0136863deb9ea2ba1318a5b162349a3afb1b560045bfbd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772E | 10180 bytes |
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