Malicious PDF — malware analysis report

Static analysis result for SHA-256 20d912ce396b14c1…

MALICIOUS

PDF

58.6 KB Created: 2020-07-20 05:25:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d4be4bdba6ccf295f3ee8cc4bfd841f SHA-1: 5cad0865b4946ef21d43b8bb3bfd5a23c6ca29d0 SHA-256: 20d912ce396b14c1c5845f7b92a92a77cdd0b1b13558697f50ed53d7f15ba0c1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, embedding numerous external links. One prominent link directs to a known malicious redirector at 'ttraff.ru', suggesting a phishing or malware distribution attempt. The file's structure and the presence of many outbound links indicate a malicious intent to lure users to external, potentially harmful, resources.

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.ru/wb?keyword=1969%20cessna%20150%20owners%20manual
    • http://files.thebeveragebutler.com/uploads/1/3/1/4/131454355/wepilimavu_jezonuna.pdf
    • http://files.sugarsistersnz.com/uploads/1/3/1/4/131406222/sutuzu.pdf
    • http://files.accentplanks.com/uploads/1/3/0/7/130775373/zipuwu.pdf
    • http://files.naturalnesters.com/uploads/1/3/1/4/131408117/tozudogi_mizanunik_kosezage.pdf
    • http://files.everythingunscripted.net/uploads/1/3/1/3/131380322/2974555.pdf
    • http://files.blackdragoninnercircle.com/uploads/1/3/1/1/131163684/sipunu.pdf
    • http://files.adventuresnz.com/uploads/1/3/1/6/131637562/samexojow.pdf
    • http://files.andreasalem.com/uploads/1/3/1/3/131398509/216da416e383790.pdf
    • http://files.andreasalem.com/uploads/1/3/1/3/131398509/21
    • https://valotunaf.files.wordpress.com/2020/07/lekagosebewijobaz.pdf
    • https://weredemeji.files.wordpress.com/2020/07/26615741258.pdf
    • https://xepikasumo.files.wordpress.com/2020/07/17412044738.pdf
    • https://guvadade.files.wordpress.com/2020/06/59895296782.pdf
    • https://cdn.shopify.com/s/files/1/0430/8323/5489/files/xivijatejidajifijogiked.pdf
    • https://cdn.shopify.com/s/files/1/0435/9002/5375/files/75239217653.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91146339154.pdf
    • https://cdn.shopify.com/s/files/1/0432/9416/3109/files/22554788477.pdf
    • https://cdn.shopify.com/s/files/1/0430/6888/3106/files/47246986165.pdf
    • https://cdn.shopify.com/s/files/1/0434/2549/7250/files/wafewevuletunige.pdf
    • https://cdn.shopify.com/s/files/1/0432/5287/5432/files/69696762554.pdf
    • https://cdn.shopify.com/s/files/1/0428/8125/3535/files/viwomokawigodanevom.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.

FilenameKindSourceSize
font_00_sfnt_off00009da3.bin
2d65591ff3efea6a07bdf4d62e9df65736d3d6fdcf753f3373b21ad4542bca12
pdf-font-stream PDF embedded font (sfnt) at offset 0x9DA3 5324 bytes
font_01_sfnt_off0000af9e.bin
ce1ca8c53cf64994ede92f7c247fc2a00f0d90d14770b29d944d70c55ca2e33d
pdf-font-stream PDF embedded font (sfnt) at offset 0xAF9E 14580 bytes