Malicious PDF — malware analysis report

Static analysis result for SHA-256 8828d721d496bde1…

MALICIOUS

PDF

47.4 KB Created: 2020-08-31 01:44:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4cb7045aa69ca0d808726516a7508eeb SHA-1: 499bd802d3e4b1504de4d5869649ded62bf6528c SHA-256: 8828d721d496bde10d6a7845f45e21a17ceb389baeebd84da3a2ee64dc402e11
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, with a primary link pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a "Zandalari enchanting leveling guide" and the malicious URL, suggesting a lure for users interested in such content. The presence of a link farm heuristic further indicates an attempt to distribute malicious content through numerous external links.

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/wix?keyword=zandalari+enchanting+leveling+guide
    • https://cdn.shopify.com/s/files/1/0431/8943/6580/files/3209731739.pdf
    • https://cdn.shopify.com/s/files/1/0439/1036/5339/files/alagappan_medicine_6th_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/4423/9510/files/sustainability_report_pt_pertamina.pdf
    • https://static.usrfiles.com/ugd/136d07_f77a4c7ebb244b29a51e0e940a3f8df9.pdf
    • https://static.usrfiles.com/ugd/429b25_f7b63128fb71468197d1f6cb071783d2.pdf
    • https://static.usrfiles.com/ugd/b8c837_ad0a4e41112c4a19a55a6ec05c1513df.pdf
    • https://static.usrfiles.com/ugd/08fe48_ea58fc8ddf30489fbb941c2fa300716f.pdf
    • https://cdn.shopify.com/s/files/1/0433/7578/8190/files/mamepan.pdf
    • https://cdn.shopify.com/s/files/1/0433/2358/8773/files/how_to_read_a_person_like_a_book_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61053474184.pdf
    • https://cdn.shopify.com/s/files/1/0430/3015/1330/files/zazibogafazedenasuweme.pdf
    • https://static.usrfiles.com/ugd/b8c837_f60e6bf37bba49bab33a35556f3a8162.pdf
    • https://static.usrfiles.com/ugd/83b1b3_e815e16fa99040b2931894b6c06d3e86.pdf
    • https://static.usrfiles.com/ugd/7d1dc9_1c0ae41aa46442e3aa107ebcb75d15be.pdf
    • https://static.usrfiles.com/ugd/d902bb_e643301a60034115893a40fc11753706.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_off00007565.bin
deb0883826b46e03448b939726a80ec94410ef2b008b9d2afb82fb3ce8d7a5f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7565 5040 bytes
font_01_sfnt_off00008687.bin
86354e1bbf1c340899d6a3add1a66277f98027f6573facfed61127ef1bcc92e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8687 13228 bytes

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