PDF malware analysis — malicious · 3cf4f48888f188be

MALICIOUS

PDF

64.2 KB Created: 2020-08-31 00:22:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 56f71bcd2eeb3f223a05fdc18c455fa3 SHA-1: d6d62ceb2e6c2cde3c25dea9b515807c44b81202 SHA-256: 3cf4f48888f188be000e92ba7fe2a944814db225f4167c42ca7cf1c3affd2a61

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to 'static.usrfiles.com'. The presence of a malicious redirector indicates an attempt to lead the user to a harmful destination, likely for phishing or malware distribution.

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.cc/wix?keyword=genel+muhasebe+notlar%25C4%25B1+%25C3%25B6zet
- https://static.usrfiles.com/ugd/96768c_32add82dda2842c2b185a910e747ac5e.pdf
- https://static.usrfiles.com/ugd/253000_f24f101208404dabb3cfd411f06f1612.pdf
- https://static.usrfiles.com/ugd/cfa91a_5518fb446d2649babceef7559c2cbd20.pdf
- https://static.usrfiles.com/ugd/b8c837_39504e48cf254002b24a8ee68813088d.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/95909873105.pdf
- https://cdn.shopify.com/s/files/1/0433/2388/3688/files/living_religions_10th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/42526068969.pdf
- https://cdn.shopify.com/s/files/1/0437/1814/8247/files/free_gujarati_bhajan_songs.pdf
- https://cdn.shopify.com/s/files/1/0433/4184/0535/files/weather_report_for_melbourne_fl.pdf
- https://cdn.shopify.com/s/files/1/0429/3401/0015/files/the_cask_of_amontillado_theme.pdf
- https://cdn.shopify.com/s/files/1/0438/4768/0162/files/sixalubodelenawow.pdf
- https://cdn.shopify.com/s/files/1/0431/1610/1798/files/advantages_and_disadvantages_of_tourism_in_kerala.pdf
- https://static.usrfiles.com/ugd/b8c837_01138b9847b64762b35bb299ae6ebf02.pdf
- https://static.usrfiles.com/ugd/09273f_76482b0a498a41abb95a3f0be4d0909b.pdf
- https://static.usrfiles.com/ugd/b8c837_11e581ef13624aa7a70b29450cc945d2.pdf
- https://static.usrfiles.com/ugd/c4ccc4_4b657fc92bc14bafb6ed737220e3c63a.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_off0000ba9c.bin` `1f2ecadd2dd2273d90f370a9b12baa8ee4ee60f0c22f080b81869bd18d655123`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBA9C	5316 bytes
`font_01_sfnt_off0000cc47.bin` `6a10c27922080f3c94daa7fc441f203c1b6460bd41c4c0f7574a68127c2f2ab0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC47	12260 bytes

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