Malicious PDF — malware analysis report

Static analysis result for SHA-256 59565eaeb884a331…

MALICIOUS

PDF

43.7 KB Created: 2020-07-30 16:01:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6413f3843314736b8fc7c2c476abc617 SHA-1: d5b15042fd426ce9cdb497692bd1d9bf8e090cad SHA-256: 59565eaeb884a331a23d4fc499237b2af1991557f55b21b0f7776876f9db4e5b
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure for a 'Dr. Berg's new body type guide PDF free download'. The primary heuristic indicates the PDF links to known malicious redirector infrastructure, specifically `ttraff.com`. This suggests the document's purpose is to redirect users to malicious sites.

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=dr.+berg+s+new+body+type+guide+pdf+free+download
    • http://files.avchristianfellowship.org/uploads/1/3/1/3/131384127/botemunagonekipov.pdf
    • http://files.lillipillidental.com/uploads/1/3/1/4/131406807/c75d33e7312b84d.pdf
    • http://files.nanostitchlab.com/uploads/1/3/1/4/131455722/3312394.pdf
    • http://files.coachingandconstellations.com/uploads/1/3/1/3/131380730/mejepofedabexet_xukakevo.pdf
    • http://files.laurainthelibrary.com/uploads/1/3/0/8/130873947/nexafewunenexiwatevu.pdf
    • http://files.lillipillidental.com/uplo
    • https://cdn.shopify.com/s/files/1/0432/5556/2398/files/jopetavorinitude.pdf
    • https://cdn.shopify.com/s/files/1/0433/2843/8427/files/83693519709.pdf
    • https://cdn.shopify.com/s/files/1/0431/2684/9700/files/wufesewa.pdf
    • https://cdn.shopify.com/s/files/1/0428/0687/0183/files/29492962271.pdf
    • https://cdn.shopify.com/s/files/1/0432/4484/7261/files/berebifedozalirigifomovel.pdf
    • https://cdn.shopify.com/s/files/1/0437/6113/9861/files/98597353877.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81256704061.pdf
    • https://cdn.shopify.com/s/files/1/0428/1732/3175/files/669430421.pdf
    • https://cdn.shopify.com/s/files/1/0433/7106/9594/files/piwivubigeziwulitiwuzowo.pdf
    • https://cdn.shopify.com/s/files/1/0432/9134/5064/files/18552842134.pdf
    • https://cdn.shopify.com/s/files/1/0435/2576/7320/files/limuxe.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_off00006ad0.bin
e2a902fca0afa085034537d0fc6f3394cc45274b7970190e4d739290dffd2039		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD0 5456 bytes
font_01_sfnt_off00007d84.bin
38a1816aae1183b22729f06c42b370b0d782e9b8cd1112cf19dd6e2977919a2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D84 10532 bytes

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