Malicious PDF — malware analysis report

Static analysis result for SHA-256 47428cc4ec7b51ce…

MALICIOUS

PDF

36.2 KB Created: 2020-08-16 20:57:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 940a63ad88a95b1fb6ef6c784db732ef SHA-1: 6351775bc787951d9d42f161c58bb4998d5cf492 SHA-256: 47428cc4ec7b51ce9a827db73a600e598d33e581bc71dc9b32a9503e1f213ac8
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=elantra+2018+owner%2527+s+manual'. This URL is presented within the document body, disguised as a link to an Elantra owner's manual. The PDF also exhibits characteristics of a link farm, with numerous external links, many of which are to Shopify domains hosting PDF files. The primary malicious link likely serves as a lure to a phishing or malware distribution 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.cc/pify?keyword=elantra+2018+owner%2527+s+manual
    • http://files.muttleys.ca/uploads/1/3/1/6/131636914/zedometagum.pdf
    • http://nitanovos.dscomachinery.com/uploads/1/3/1/6/131636879/jugejiraruna.pdf
    • http://lakisele.nkskin.com/uploads/1/3/0/7/130775386/lasegere.pdf
    • http://files.jduhdesigns.com/uploads/1/3/0/7/130775653/ebef1c218cee8d1.pdf
    • http://files.thedriftwoodshack.com/uploads/1/3/1/4/131453733/raxawisumolow.pdf
    • https://cdn.shopify.com/s/files/1/0440/2796/9686/files/18396783027.pdf
    • https://cdn.shopify.com/s/files/1/0437/5294/7863/files/hp_prime_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/5996/0218/files/41997604587.pdf
    • https://cdn.shopify.com/s/files/1/0430/9018/2304/files/najebufakuworuvogepipe.pdf
    • https://cdn.shopify.com/s/files/1/0449/8512/2984/files/thick_leather_farming_classic_wow.pdf
    • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/52242388655.pdf
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/baby_doll_remix_song_djmaza.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89186344985.pdf
    • https://cdn.shopify.com/s/files/1/0431/0823/7473/files/how_to_boost_your_self_esteem.pdf
    • https://cdn.shopify.com/s/files/1/0440/7531/9448/files/zuziwobelam.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_off00004f67.bin
f4b998ba8c725fe7611f4bfaed07c9afe5f2ced81712c467c7da1a700653483e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F67 5432 bytes
font_01_sfnt_off000061e1.bin
fdbe999659ce121cd7086af782c9dcea1835b7fc675ee03eeaa84b3242643554		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61E1 9948 bytes

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