MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm with a primary malicious redirector URL, https://ttraff.ru/pify?keyword=benefits+of+cloud+computing+in+education+pdf, which is likely used to lure victims into downloading further malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's designed to host numerous external links, a common tactic for SEO poisoning and traffic redirection. No scripts were extracted, but the embedded URLs are sufficient evidence of malicious intent.
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.ru/pify?keyword=benefits+of+cloud+computing+in+education+pdf
- http://files.anelelundborg.com/uploads/1/3/1/3/131379919/wisedumipozukuxakogo.pdf
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/36546336688.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/69769991469.pdf
- https://cdn.shopify.com/s/files/1/0433/2024/6427/files/17500883214.pdf
- https://cdn.shopify.com/s/files/1/0430/8933/0330/files/sap_fico_training_material.pdf
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/air_force_old_paper.pdf
- https://cdn.shopify.com/s/files/1/0435/6135/3371/files/24656209603.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27588499931.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6166/files/88161181285.pdf
- https://cdn.shopify.com/s/files/1/0435/0862/9659/files/list_of_1980s_fantasy_films.pdf
- https://cdn.shopify.com/s/files/1/0432/5192/5155/files/faduviz.pdf
- https://cdn.shopify.com/s/files/1/0433/5878/1590/files/87534992812.pdf
- https://cdn.shopify.com/s/files/1/0434/5613/5334/files/pka_prediction_for_organic_acids_and_bases.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006316.bin1a88ec377608f53218d13b35c42884047e657ba27331bf287ce06b848bba1754 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6316 | 5312 bytes |
font_01_sfnt_off00007511.bin95513a9532df4b60eb244613435f518b266d9037d59e457c4be622c876e9cd5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7511 | 10308 bytes |
font_02_sfnt_off00009831.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9831 | 4324 bytes |
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