Malicious PDF — malware analysis report

Static analysis result for SHA-256 213774792eaf94e5…

MALICIOUS

PDF

40.4 KB Created: 2020-08-12 03:37:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ef7e1ec7e236ffb19d9d214cd55d5c1 SHA-1: c4f5ddcb6b2d96f3268e44e6529629d14fc48022 SHA-256: 213774792eaf94e5d120f502f864aeabb174cfd7aaeb28a9e1bfdbe3f7a3a677
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Boulevard of broken dreams drum sheet pdf' and includes the malicious URL, suggesting a lure to trick users into downloading potentially harmful content. The presence of numerous Shopify links, while many are benign, contributes to a link farm strategy to obscure the malicious destination.

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=boulevard+of+broken+dreams+drum+sheet+pdf
    • http://files.gascityformeremployees.com/uploads/1/3/1/3/131378771/8214463.pdf
    • http://nuzed.agentpgs-qatar.com/uploads/1/3/1/6/131606490/zojigesaxil_xatubidagafivus_sararebeg_lafuruke.pdf
    • http://files.sitesofpassage.org/uploads/1/3/1/0/131071240/455213.pdf
    • http://files.kathydarcy.com/uploads/1/3/0/7/130776499/71abb.pdf
    • https://cdn.shopify.com/s/files/1/0427/5961/8716/files/xagawugu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5893/6473/files/desufodidurerenudib.pdf
    • https://cdn.shopify.com/s/files/1/0430/3467/3301/files/tipunabikoxev.pdf
    • https://cdn.shopify.com/s/files/1/0431/3936/7061/files/convert_cdr_to_mac_free.pdf
    • https://cdn.shopify.com/s/files/1/0432/4678/0579/files/kopizosozujosowopago.pdf
    • https://cdn.shopify.com/s/files/1/0430/9506/4730/files/xajukuzubinujatimomesuw.pdf
    • https://cdn.shopify.com/s/files/1/0431/5788/0996/files/bafg_antrag_elternunabhngig.pdf
    • https://cdn.shopify.com/s/files/1/0431/1669/1612/files/synaptics_pointing_device_driver_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0437/2529/1674/files/wikunojodilawepefug.pdf
    • https://cdn.shopify.com/s/files/1/0434/6265/6166/files/xizivutetibaloget.pdf
    • https://cdn.shopify.com/s/files/1/0431/7184/0161/files/rugimofupolavuwom.pdf
    • https://cdn.shopify.com/s/files/1/0429/6874/4087/files/impact_of_4th_industrial_revolution_on_education.pdf
    • https://cdn.shopify.com/s/files/1/0431/1384/0794/files/73810491093.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_off0000515c.bin
65d79beca9835f478c908c028774225d9123585a95addf7df5b5dd2a97183afc
pdf-font-stream PDF embedded font (sfnt) at offset 0x515C 5596 bytes
font_01_sfnt_off0000643f.bin
1f8d744c964c0aa23aa9db8413a009588fdac8b8c02e40d393bb3ebb61c3669f
pdf-font-stream PDF embedded font (sfnt) at offset 0x643F 15096 bytes