MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=anemia+pediatria+pdf+2016, which is flagged as a malicious redirector. The presence of numerous PDF links suggests an attempt to distribute further malicious content or engage in SEO abuse.
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=anemia+pediatria+pdf+2016
- https://cdn.shopify.com/s/files/1/0427/9212/4572/files/69333447099.pdf
- https://cdn.shopify.com/s/files/1/0462/3489/4496/files/mathally_graphing_calculator_apk.pdf
- https://cdn.shopify.com/s/files/1/0430/6593/3973/files/24389320258.pdf
- https://cdn.shopify.com/s/files/1/0437/1896/7450/files/problem_solving_skills_scale.pdf
- https://static.usrfiles.com/ugd/6260fe_932854df409440aea64e6ae9e83fc2ea.pdf
- https://static.usrfiles.com/ugd/b8c837_c2b2242b23a34720a24ff65f0e9daa88.pdf
- https://static.usrfiles.com/ugd/b8c837_52cc22bbb8c04c398fb28627c88c81bb.pdf
- https://static.usrfiles.com/ugd/b8c837_e140007085bc436899dd611ba47cae93.pdf
- https://cdn.shopify.com/s/files/1/0438/4522/2557/files/d_d_trap_generator.pdf
- https://cdn.shopify.com/s/files/1/0431/9635/0624/files/purpose_driven_life_small_group_study.pdf
- https://cdn.shopify.com/s/files/1/0447/8061/7885/files/90684901110.pdf
- https://cdn.shopify.com/s/files/1/0433/4593/6535/files/casio_g_shock_5146_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_off00009096.bin7841ce26296005afb5278a9fe55bf2ab0d4df26dcb2223b00396519321751c9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9096 | 5448 bytes |
font_01_sfnt_off0000a30a.binfa97675389190c9b9de83e75fbe5a608a18894946ae3360013701fa9d2905f8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA30A | 12828 bytes |
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