Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab419956be528f41…

MALICIOUS

PDF

50.7 KB Created: 2020-08-08 01:27:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72d2e45d2ad8478391f5d71866bb6d2b SHA-1: 0689b6f29ab2bd24c75b323d60e59d30d74d630b SHA-256: ab419956be528f41b00faaea0e2389d4322ade73edde22e07a44f26585859868
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. Additionally, it exhibits a PDF link farm behavior, with numerous links pointing to external PDF files, many hosted on cdn.shopify.com. The document body contains the malicious URL and references to other PDF files, suggesting a lure to a malicious site.

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=andrija+jonic+refren+pdf
    • http://files.larisamantordressage.com/uploads/1/3/2/6/132683181/duvusujelefawa.pdf
    • http://files.konradragnarsson.com/uploads/1/3/1/4/131437074/vikoketevob-zipozot-bigemob.pdf
    • http://files.utspta.org/uploads/1/3/0/9/130969477/goned.pdf
    • https://cdn.shopify.com/s/files/1/0431/9599/0175/files/diwawi.pdf
    • https://cdn.shopify.com/s/files/1/0439/6145/0654/files/40367295612.pdf
    • https://cdn.shopify.com/s/files/1/0431/7895/0810/files/washington_post_march_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/6577/8076/files/47183835860.pdf
    • https://cdn.shopify.com/s/files/1/0436/4946/6526/files/free_blank_check_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/8060/6111/files/kuweluvat.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/ririzexidodeburexopa.pdf
    • https://cdn.shopify.com/s/files/1/0432/3698/2943/files/85665438834.pdf
    • https://cdn.shopify.com/s/files/1/0430/1612/6625/files/39414240551.pdf
    • https://cdn.shopify.com/s/files/1/0433/7880/2846/files/39996838175.pdf
    • https://cdn.shopify.com/s/files/1/0437/5347/2151/files/nutrisi_hidroponik_alami.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.

FilenameKindSourceSize
font_00_sfnt_off00006155.bin
29534309530648a98362cd8e03a0838cd06a83fcd67befbb36a99bf2e1565bf1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6155 5004 bytes
font_01_sfnt_off00007269.bin
6a69b884fd7666438e4a4f4d2f4ff10728820080f70a8fe2da6a296e9db4ed44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7269 14632 bytes
font_02_sfnt_off000099ff.bin
dcae222ee31b9c1b6794cadf195da6d7bccc41b9ec75194d189b413681f283e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99FF 10456 bytes

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