PDF malware analysis — malicious · 83ed1f290b894690

MALICIOUS

PDF

43.6 KB Created: 2020-09-10 09:42:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3b012e21d92753affd2322b323a6ccc1 SHA-1: 226caee418ceb34e2774355bac6d675b2d1a6f33 SHA-256: 83ed1f290b894690f9d6e33f827d73b59d1af8b41ba3b37bfebd40065aa2abb6

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one critical heuristic firing indicating it's a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.link/pify?keyword=beautiful+nature+hd+wallpapers+free, which is also flagged as a malicious redirector. The presence of numerous links, including those pointing to potentially malicious infrastructure, suggests a phishing or scam attempt.

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.link/pify?keyword=beautiful+nature+hd+wallpapers+free
- http://pitirilub.followpiranha.com/uploads/1/3/2/6/132681501/vevuzif-dujujo-kepos.pdf
- http://videvefix.arnoldroad.org/uploads/1/3/0/9/130969260/matofufilom.pdf
- http://files.brooklynprimary.school.nz/uploads/1/3/0/8/130874298/mefefesabi.pdf
- https://cdn.shopify.com/s/files/1/0432/1656/8482/files/bafg_formblatt_1_anlage_1_hilfe.pdf
- https://cdn.shopify.com/s/files/1/0432/0290/4222/files/firosusov.pdf
- https://cdn.shopify.com/s/files/1/0431/2658/7549/files/reluzarofexabuvejaxulur.pdf
- https://cdn.shopify.com/s/files/1/0439/8543/6830/files/sukaja.pdf
- https://static.usrfiles.com/ugd/a771bd_7204d54b4e30498bbf202d901e3136d2.pdf
- https://static.usrfiles.com/ugd/cc03df_ab030c69655f4e1bb360cb28ba0e015c.pdf
- https://static.usrfiles.com/ugd/b97cba_12c4cfad22dd4732a5ce4d3d3fe01ea7.pdf
- https://static.usrfiles.com/ugd/d54300_64e327289f434c7db4c578186fd49986.pdf
- https://static.usrfiles.com/ugd/9d869b_3adeb7a064264a8d9ece7f2835cd639b.pdf
- https://static.usrfiles.com/ugd/69b86f_8636a123a53b4c7f9b3c016398f68757.pdf
- https://static.usrfiles.com/ugd/13ae68_dcfe3f3443854629a6cc51d2aefe4190.pdf
- https://static.usrfiles.com/ugd/72216b_6345a2cdad064ab9914f7c399c55c812.pdf
- https://static.usrfiles.com/ugd/d954c5_389d0971c5244e55aa7896093faa8dab.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/
- https://static.usrfiles.com/ugd/b97cba_12c4cfad22dd4732a5ce4d3d3fe01ea7

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006c5f.bin` `1738222dca7ae8751eec4582b07c8cb8167a55ab8ee6421f46e2df6c3624cff6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C5F	5268 bytes
`font_01_sfnt_off00007e58.bin` `c6eab314af06852da05c65a10818e71b5101ba6573b9fd473144d7ea9fa4795b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E58	10196 bytes

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