Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2e7bbd932fa6706…

MALICIOUS

PDF

46.8 KB Created: 2020-08-11 20:58:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62fa01ba836e40b87deeeb561f9d32d0 SHA-1: a8ab783a9360d0c410e21cfb724b24093704da78 SHA-256: c2e7bbd932fa6706f49a397f3ba794d97b3bec93f6e7d29b803a7cc1cbd3dd94
200 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a large number of SEO-optimized links pointing to external PDFs. The document body explicitly mentions 'chrome pdf pdf online editor' and includes the malicious redirector URL, suggesting a lure to a phishing or malware distribution site. The presence of a remote support tool lure and a payment redirection lure further supports a financial fraud or credential harvesting motive.

Heuristics 5

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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=chrome+pdf+pdf+online+editor
    • http://files.thearborsatparsippany.com/uploads/1/3/1/1/131163851/zolenudadidava-momumiwefa-madomisevovaz.pdf
    • http://files.lukehuling.com/uploads/1/3/1/8/131858592/4338907.pdf
    • http://files.svapf.org/uploads/1/3/1/4/131452935/vaxujisude.pdf
    • https://cdn.shopify.com/s/files/1/0434/2841/3607/files/nedogiwok.pdf
    • https://cdn.shopify.com/s/files/1/0432/6529/4491/files/anthropogenic_activities_and_their_impacts_on_environment.pdf
    • https://cdn.shopify.com/s/files/1/0436/1843/5229/files/convert_ai_file_to_jpg.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/72406115334.pdf
    • https://cdn.shopify.com/s/files/1/0428/0749/2775/files/27207131251.pdf
    • https://cdn.shopify.com/s/files/1/0433/7719/7221/files/60145254864.pdf
    • https://cdn.shopify.com/s/files/1/0438/7530/3592/files/impulse_buying_questionnaire.pdf
    • https://cdn.shopify.com/s/files/1/0438/0668/7394/files/all_formulas_in_microsoft_excel.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ropuxikasafomudixaxo.pdf
    • https://cdn.shopify.com/s/files/1/0440/7777/7061/files/the_legend_of_zelda_ocarina_of_time_detonado.pdf
    • https://cdn.shopify.com/s/files/1/0438/1258/5634/files/atomic_bomb_design.pdf
    • https://cdn.shopify.com/s/files/1/0430/2441/6931/files/xiroxudoporetijutobegepa.pdf
    • https://cdn.shopify.com/s/files/1/0431/9087/8372/files/90036428552.pdf
    • https://cdn.shopify.com/s/files/1/0440/1859/8038/files/bsc_2nd_year_zoology_syllabus.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_off00006e8e.bin
ffce9a919210456650cd7a10272886761ed32dc9462ef44ad9fe1a007091a43f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E8E 4704 bytes
font_01_sfnt_off00007e5f.bin
7e970b5a91f71261163cad8dd3b828113c837c6d1befae31cc51ef85f95d89c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E5F 9868 bytes
font_02_sfnt_off0000a003.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA003 4324 bytes

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