Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3ccd1db81404877…

MALICIOUS

PDF

53.2 KB Created: 2020-08-03 06:09:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a007e7c208bb75b9d4eb758e410855ce SHA-1: 0d0b0a7718a95ace5ea3ae1deb8bc03ff47762df SHA-256: e3ccd1db81404877db9ddc0adb86f0a8af7e8741ef2d6192e0a242b212bad00c
150 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Joana's leveling guide free' and the malicious URL. This suggests a social engineering lure to redirect users to malicious content. The presence of many Shopify links indicates a link farm strategy to obscure the malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=joana%2527+s+leveling+guide+free
    • http://files.mrober.com/uploads/1/3/0/7/130738554/3944755feaa.pdf
    • http://files.vintagegypsysoul.com/uploads/1/3/2/6/132695575/notelipizutovunoxuwo.pdf
    • http://files.outoftheboxinnovations.com/uploads/1/3/1/4/131406744/9135092.pdf
    • http://files.travellingpen.com/uploads/1/3/1/6/131636654/febb076cafa4b6c.pdf
    • https://cdn.shopify.com/s/files/1/0434/6963/5746/files/turbo_charged_prelude.pdf
    • https://cdn.shopify.com/s/files/1/0430/1740/4573/files/18274432911.pdf
    • https://cdn.shopify.com/s/files/1/0433/6127/1959/files/upmc_my_hub.pdf
    • https://cdn.shopify.com/s/files/1/0433/4642/8072/files/56942445978.pdf
    • https://cdn.shopify.com/s/files/1/0432/7496/1059/files/72791474746.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/sejavejibilafivo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0067/5995/files/17035494834.pdf
    • https://cdn.shopify.com/s/files/1/0434/0246/1351/files/31867477381.pdf
    • https://cdn.shopify.com/s/files/1/0432/9432/6949/files/bikogivivuzobom.pdf
    • https://cdn.shopify.com/s/files/1/0431/4375/7992/files/miruvogigosibedarurotigoj.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/loxutiwijadewafulon.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_off00008748.bin
3da47a1202abed7af7353b93f0f76cabe3abb8282933c2c32e50ae5c839b139e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8748 5156 bytes
font_01_sfnt_off000098f4.bin
2c1cfa021bd8d6b4c95ce24cd86ec5fb6a9a451384c35ee99baf4cc8f38127fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98F4 15012 bytes

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