MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=tencent+emulator++filehippo', suggesting a lure related to software downloads. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to 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.com/pify?keyword=tencent+emulator++filehippo
- http://files.katedumbleton.com/uploads/1/3/2/6/132682878/2827996.pdf
- http://jiruk.thogersenfamilyfarm.com/uploads/1/3/0/8/130814328/seweduwunakibo.pdf
- http://gotave.altapg.com/uploads/1/3/1/3/131380181/4748216.pdf
- http://disumunim.unitedworkerscongress.org/uploads/1/3/1/4/131409090/ca4ac.pdf
- http://files.impunity.site/uploads/1/3/2/6/132681204/lefopogi.pdf
- https://cdn.shopify.com/s/files/1/0436/9635/7530/files/kivaxinidevujesobi.pdf
- https://cdn.shopify.com/s/files/1/0436/7505/8329/files/10822728484.pdf
- https://cdn.shopify.com/s/files/1/0434/6124/7129/files/oxigen_micro_atm_commission_list.pdf
- https://cdn.shopify.com/s/files/1/0434/5187/5494/files/16768376551.pdf
- https://cdn.shopify.com/s/files/1/0432/3265/7568/files/music_video_sites_for_mobile.pdf
- https://cdn.shopify.com/s/files/1/0435/8583/1080/files/bounded_and_unbounded_sequence.pdf
- https://cdn.shopify.com/s/files/1/0432/5317/0334/files/najivasugegilalodaguniviv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tizerosotusalasebix.pdf
- https://cdn.shopify.com/s/files/1/0434/8978/8070/files/osrs_falador_elite_diary_guide.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_off000065ca.binfba18db5640559d7dfde5ed0d26f833705bb08721ba865a37cf8fe4a6e630ea7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65CA | 5028 bytes |
font_01_sfnt_off000076b8.bin0a7c5a8e124bedebc6cc3f889e5fbff20ac8d74f5b67e3d0098afa3107519100 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76B8 | 10192 bytes |
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