MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains a URL that appears to be a lure for educational content. The presence of numerous external PDF links, many hosted on Shopify, suggests an attempt to create a link farm or disguise malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.ru/pify?keyword=oxidation+reduction+titrations+pre+lab+answers
- http://files.i4ingenuity.co.uk/uploads/1/3/0/7/130739015/pajirafuzufa.pdf
- http://files.goldenorchidphotography.org/uploads/1/3/1/3/131381675/jaburit.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1936/9639/files/bebazetibuvubafo.pdf
- https://cdn.shopify.com/s/files/1/0435/3910/3912/files/bibbulmun_track_map.pdf
- https://cdn.shopify.com/s/files/1/0432/2725/0848/files/99480787465.pdf
- https://cdn.shopify.com/s/files/1/0432/7528/8742/files/7th_grade_go_math_textbook.pdf
- https://cdn.shopify.com/s/files/1/0454/7044/9816/files/mathematics_for_economists_simon_blume_espaol.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/datufezon.pdf
- https://cdn.shopify.com/s/files/1/0433/8506/1541/files/gebetewo.pdf
- https://cdn.shopify.com/s/files/1/0435/9628/4062/files/cabinet_ministers_of_botswana_2020.pdf
- https://cdn.shopify.com/s/files/1/0430/3103/6053/files/scrum_master_resumes.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_off00005e81.bin70dcea5a1cdf15eebedc1e71834526412769eae4b2a7d99536d2fd6631545c5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E81 | 5396 bytes |
font_01_sfnt_off000070f4.bin9d52e27dbf44ba41fca57d046a42d30c55809e4baf09bdccff30f1cd2fdcc9f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70F4 | 10372 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.