PDF malware analysis — malicious · 97123371622665a4

MALICIOUS

PDF

59.0 KB Created: 2020-08-18 23:45:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 40b5f69de53c8bc9d8b832602e306309 SHA-1: 86a5a8f1d374d58892200a17bf52b034f54d142c SHA-256: 97123371622665a4a603a41a82c9858ee9fe83411f5b8e6ae75eca46d561c779

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link disguised as an answer key for the 'Tnpsc forest apprentice agriculture' exam. This link, 'https://ttraff.com/pify?keyword=tnpsc+forest+apprentice+agriculture+answer+key', is identified as a malicious redirector. The document's structure and embedded link suggest a phishing or redirection attack aimed at users searching for exam-related information.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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_FARM

Small 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.
Embedded URL info EMBEDDED_URL

One 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=tnpsc+forest+apprentice+agriculture+answer+key
- http://tumumud.autofashions-pittsboro-nc.com/uploads/1/3/0/8/130814328/5217060.pdf
- http://files.taradorey.com/uploads/1/3/1/6/131606256/f29e5b694968c.pdf
- http://files.mozart-engine.com/uploads/1/3/0/7/130739916/c3e3049.pdf
- http://files.albrechtartglass.com/uploads/1/3/1/3/131380995/tubusozikuvaz.pdf
- http://susikurid.thedivevault.com/uploads/1/3/1/4/131482975/9157971.pdf
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/87986469086.pdf
- https://cdn.shopify.com/s/files/1/0430/4535/5682/files/88885830324.pdf
- https://cdn.shopify.com/s/files/1/0431/2186/8960/files/saxinu.pdf
- https://cdn.shopify.com/s/files/1/0432/0277/3156/files/60644679612.pdf
- https://cdn.shopify.com/s/files/1/0429/9807/1450/files/pepegurugotewuveravizut.pdf
- https://cdn.shopify.com/s/files/1/0428/8564/4454/files/sujovixenilukokenipizonaf.pdf
- https://cdn.shopify.com/s/files/1/0429/8244/1113/files/73740061906.pdf
- https://cdn.shopify.com/s/files/1/0433/4315/1272/files/gejek.pdf
- https://cdn.shopify.com/s/files/1/0431/1272/6677/files/ballard_score_interpretation.pdf
- https://cdn.shopify.com/s/files/1/0433/4583/8232/files/62869193061.pdf
- https://cdn.shopify.com/s/files/1/0434/8788/7526/files/40380407208.pdf
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/61566793718.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/zavenomalofalejuloz.pdf
- https://cdn.shopify.com/s/files/1/0430/3893/3146/files/35446568680.pdf
- https://cdn.shopify.com/s/files/1/0430/3778/6266/files/bonaventura_cavalieri.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_off00009f69.bin` `1d1fcc82ba82a35e6e80dbe2dbe983cab7f1bd4728e6016c43e8c9726ef3d335`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F69	5388 bytes
`font_01_sfnt_off0000b1e0.bin` `f5479c93c044c75fc57e9168e7546e4df9b651af7502863d30750db7a70ce120`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB1E0	14152 bytes

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