Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a7f7157366d479c…

MALICIOUS

PDF

93.6 KB Created: 2020-08-23 00:10:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4240d92f7a9ff9f9483b8abce1cb4abf SHA-1: 5f5c6759d60fd2662723925c1abd352ad5a96bf8 SHA-256: 9a7f7157366d479c277ef2571bd8205a4548858d97fde840af28e125589ad2cf
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to the game 'Marvel Future Fight' and embeds multiple links. One critical heuristic firing indicates that a link within the PDF points to known malicious redirector infrastructure (ttraff.ru). Another heuristic identifies the PDF as a link farm, containing numerous external links, many hosted on cdn.shopify.com. The embedded URL in the document body also points to the malicious ttraff.ru domain, suggesting the primary intent is to redirect users to malicious content.

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.ru/pify?keyword=marvel+future+fight+agent+venom+guide
    • http://files.bethebestvolleyball.com/uploads/1/3/1/3/131398406/89ec32f570dc.pdf
    • http://files.lisahartconsulting.com/uploads/1/3/2/8/132815190/padeworuxe.pdf
    • http://zatisexat.lovelaughterandreallife.com/uploads/1/3/0/7/130776131/9920680.pdf
    • http://paxaveju.kylesurges.com/uploads/1/3/0/9/130968996/tidisefetovep.pdf
    • http://xixozusu.superiormachineandfab.com/uploads/1/3/0/8/130874493/kowukepi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0460/8155/files/nilapakixipiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/3956/3686/files/kegadatomawonovasip.pdf
    • https://cdn.shopify.com/s/files/1/0437/3161/5909/files/87192576840.pdf
    • https://cdn.shopify.com/s/files/1/0429/5704/5913/files/jevusenuwinox.pdf
    • https://cdn.shopify.com/s/files/1/0429/7247/9647/files/xisalomabelanep.pdf
    • https://cdn.shopify.com/s/files/1/0429/9282/8579/files/answers_to_the_impossible_quizmas.pdf
    • https://cdn.shopify.com/s/files/1/0432/4104/6171/files/sulolimubazomenew.pdf
    • https://cdn.shopify.com/s/files/1/0436/3013/3406/files/14000709316.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vewurobafug.pdf
    • https://cdn.shopify.com/s/files/1/0431/2471/9773/files/cellules_souches_adultes.pdf
    • https://cdn.shopify.com/s/files/1/0434/9083/6645/files/15888513588.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_off000131b8.bin
c7d49d500aad6cc12c210601821d3d7ef436d70e0e32ca78d8a3352d99b30b18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x131B8 5208 bytes
font_01_sfnt_off0001434b.bin
e5e09d2c7f8db90c5ea5f5c85aa9e02191e816cc334925bf8441d2ca02afb682		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1434B 10812 bytes

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