Malicious PDF — malware analysis report

Static analysis result for SHA-256 c049d6e3041e9650…

MALICIOUS

PDF

48.8 KB Created: 2020-08-13 21:29:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d918cf9fbd9e5c93895f16d3a4369991 SHA-1: 461f7a037a125d9f15701d1eeb186a2b892727c2 SHA-256: c049d6e3041e96500f6aa2c333113eb12aa7b0a6124c964fa74556f4d4f3f3b7
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a prominent link to a known malicious redirector, ttraff.ru, which is disguised as "Android manager software for pc". The document also functions as a link farm, pointing to numerous other PDFs hosted on Shopify. This suggests a phishing or scam attempt leveraging a lure for potentially unwanted software. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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.ru/pify?keyword=android+manager+software+for+pc
    • http://files.shepardrc.com/uploads/1/3/1/4/131453674/bivonasedubig-zuxoxipegitum-janoferixekevif-nufodagubid.pdf
    • http://files.jmyrsiadeseportfolio.com/uploads/1/3/0/7/130775760/9316652.pdf
    • http://files.harrisburgvictimhelp.org/uploads/1/3/0/8/130813416/9668581.pdf
    • http://files.torlinofficial.com/uploads/1/3/1/6/131636834/7929600.pdf
    • http://files.theboondocs.org/uploads/1/3/0/7/130776089/suvemavufubelawa.pdf
    • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/xexemegedogumus.pdf
    • https://cdn.shopify.com/s/files/1/0437/6775/8999/files/42277675940.pdf
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/fonovezajigen.pdf
    • https://cdn.shopify.com/s/files/1/0434/6124/7138/files/26378478043.pdf
    • https://cdn.shopify.com/s/files/1/0440/5297/1685/files/anti_drug_abuse_act_of_1988.pdf
    • https://cdn.shopify.com/s/files/1/0429/6572/9429/files/66422004268.pdf
    • https://cdn.shopify.com/s/files/1/0433/2643/9582/files/arabic_english_illustrated_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0431/7331/4715/files/fanurelobadumiwaxebugidet.pdf
    • https://cdn.shopify.com/s/files/1/0433/1867/3566/files/48050564511.pdf
    • https://cdn.shopify.com/s/files/1/0434/9073/8328/files/wejururaxepogamanepukirad.pdf
    • https://cdn.shopify.com/s/files/1/0434/1871/4264/files/wezazikawanenan.pdf
    • https://cdn.shopify.com/s/files/1/0431/5788/0994/files/law_on_obligations_and_contracts_de_leon.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_off000069b5.bin
a822f258927ae08a64586e0bb238c029f11fbf96ca6867c3587b71ff1c463d67
pdf-font-stream PDF embedded font (sfnt) at offset 0x69B5 5524 bytes
font_01_sfnt_off00007c76.bin
3a1080bce425911ea42318f281832539f610191f71e7046a7c6afd4a5c5110b0
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C76 10588 bytes
font_02_sfnt_off0000a0b5.bin
c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449
pdf-font-stream PDF embedded font (sfnt) at offset 0xA0B5 16204 bytes