Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6096a34230320b9…

MALICIOUS

PDF

50.9 KB Created: 2020-09-06 03:06:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: db0fbb177dc3c9c06306ef15f95dced1 SHA-1: 9647d14bf94d2e819c21bb497041ae4802814d95 SHA-256: a6096a34230320b94fb5b63b86bdc85edc13a5674fa0767d855eb17d0430479f
128 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a manual and a URL that appears to be a lure. The primary malicious URL is https://ttraff.me/wix?keyword=marshall+stanmore+bluetooth+manual, which is likely intended to lead the user to a phishing or malware download site. The presence of a 'download button' heuristic further supports the lure-based attack pattern.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.me/wix?keyword=marshall+stanmore+bluetooth+manual
    • https://static.usrfiles.com/ugd/e8506d_f460a18d2fdb473cb5d134da754b45e2.pdf
    • https://static.usrfiles.com/ugd/60933b_c77663391dc14dfe8ffe9ecb86daba92.pdf
    • https://static.usrfiles.com/ugd/3d0627_41bae7dbaf1449a1ae04dffff0dedf01.pdf
    • https://static.usrfiles.com/ugd/ab0441_9148b84fcbc443eeaa1b71eedea7016c.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0a961f29403455680cf338ce212e6d5.pdf
    • https://static.usrfiles.com/ugd/b8c837_5756b1a9caa84dd2875b39f49d1ef948.pdf
    • https://static.usrfiles.com/ugd/3e0cb9_eaf6c44776214fc891100beb3f196bc7.pdf
    • https://cdn.shopify.com/s/files/1/0443/2130/8828/files/breadboard_how_to_use.pdf
    • https://cdn.shopify.com/s/files/1/0432/0926/1218/files/business_model_generation_canvas_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/2569/4883/files/apple_express_router_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/3212/4312/files/41191696769.pdf
    • https://cdn.shopify.com/s/files/1/0434/3051/0758/files/caste_validity_certificate_online_application_form_download.pdf
    • https://static.usrfiles.com/ugd/b8c837_cbab0834262644d9a0564d152422e086.pdf
    • https://static.usrfiles.com/ugd/0c268c_8028d910f7e44bb79a706aef7f458383.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049fe.bin
af8fd020f12f36da82ca17c8cf2f385866683924537eb39d184becce7b563f89
pdf-font-stream PDF embedded font (sfnt) at offset 0x49FE 5588 bytes
font_01_sfnt_off00005d8a.bin
39cf291c7dd0001284512c2c361e0a3544e450dcf1414c6daf1743735a49fc35
pdf-font-stream PDF embedded font (sfnt) at offset 0x5D8A 5068 bytes
font_02_sfnt_off00006e98.bin
c109aae36edda875fd35f15f31e7bb6a895eb8195fac0819136039d196d3ef6c
pdf-font-stream PDF embedded font (sfnt) at offset 0x6E98 6640 bytes
font_03_sfnt_off00008037.bin
df51fb2e20559f2baf4c9da0af350977c376282084a9639eb82162f23477e75b
pdf-font-stream PDF embedded font (sfnt) at offset 0x8037 11328 bytes
font_04_sfnt_off0000a5ff.bin
d2dbedc23249eed12779007d0c58b566766b7d8fb5b0bb1d603b2aa598fde09e
pdf-font-stream PDF embedded font (sfnt) at offset 0xA5FF 16684 bytes