MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=funcion+de+transferencia+de+un+circuito+rlc+matlab'. This URL is likely part of a phishing or malware distribution chain. The file also exhibits characteristics of a PDF link farm, with numerous external links, many of which are to benign content, suggesting a potential SEO poisoning or spamming tactic. 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/wix?keyword=funcion+de+transferencia+de+un+circuito+rlc+matlab
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_e6d5c376767f4cbdaf1b5c0ac0765ec8.pdf
- https://static.usrfiles.com/ugd/f0e51d_8d6de524fbd1401da505d89a09e211aa.pdf
- https://static.usrfiles.com/ugd/c83fdb_f0efe59a7fd94eed89bc88ec105e623a.pdf
- https://static.usrfiles.com/ugd/c162b3_a9255173cb324bf7ab700c5875696601.pdf
- https://static.usrfiles.com/ugd/b8c837_05e071803c274243bc1f846768ad98dc.pdf
- https://static.usrfiles.com/ugd/b8c837_a1c8e0aa06f8420399027d1e12471151.pdf
- https://static.usrfiles.com/ugd/1fbf8b_c9269a067b8a41e1b7f569ab86eb9d61.pdf
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/android_material_design_bottom_navigation.pdf
- https://cdn.shopify.com/s/files/1/0430/1737/1797/files/85263824894.pdf
- https://cdn.shopify.com/s/files/1/0455/4260/4965/files/98751299131.pdf
- https://cdn.shopify.com/s/files/1/0427/8861/8396/files/guided_reading_level_to_lexile_conversion.pdf
- https://cdn.shopify.com/s/files/1/0440/5241/4614/files/2017_chevy_trax_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/1510/0826/files/ritzer_contemporary_sociological_theory.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_off00005eef.bin9ecf238b7409b43381cb539efe79acb1c0c9a9d4d6bfa41220a2e6a19e6d9280 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EEF | 5260 bytes |
font_01_sfnt_off000070b3.bin03905376354e7b7804692ecb292119c01b7959898dbb5e201332309b0bb2daf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B3 | 11608 bytes |
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