Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ba0a217ba6ad277…

MALICIOUS

PDF

51.4 KB Created: 2020-08-13 02:53:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 58f937e718623c21f2f4791e910b3f7b SHA-1: 3940764e0f670e860d17f1f7c786c44f41546579 SHA-256: 4ba0a217ba6ad2770731e1de7f99dcb9521305cd02c32ab4b81577e5bc2fde56
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/wb?keyword=mavic%202%20pro%20drone%20manual', is designed to lure users into clicking by pretending to offer a drone manual. The document also exhibits characteristics of an SEO link farm, embedding numerous external PDF links, many of which point to Shopify domains. The primary malicious intent appears to be redirecting users to a harmful site via the ttraff.cc URL.

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/wb?keyword=mavic%202%20pro%20drone%20manual
    • http://fibivukeg.academyonegoalkeeping.com/uploads/1/3/1/4/131406686/kumijavelugoredod.pdf
    • http://files.cryptovie.ca/uploads/1/3/1/4/131437623/kaxivonaromukobonix.pdf
    • http://files.eatsandexercisebyamber.com/uploads/1/3/0/7/130740158/mipitekukeraput-sevajajozi-masitipil.pdf
    • http://zasaka.instematdpu.com/uploads/1/3/0/9/130969363/miligagiba_loluvunizulek_jiromazenu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/rarufixod.pdf
    • https://cdn.shopify.com/s/files/1/0434/2205/6600/files/bigupagusolalar.pdf
    • https://cdn.shopify.com/s/files/1/0429/6713/8470/files/attestation_de_prise_en_charge_parentale.pdf
    • https://cdn.shopify.com/s/files/1/0434/1540/4695/files/sifapekikedakex.pdf
    • https://cdn.shopify.com/s/files/1/0428/3321/5644/files/butolezofiti.pdf
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/90617143187.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2277/files/synonyms_and_antonyms_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0436/9580/0475/files/19494200048.pdf
    • https://cdn.shopify.com/s/files/1/0431/1266/1152/files/47317664089.pdf
    • https://cdn.shopify.com/s/files/1/0431/3979/3050/files/8612385578.pdf
    • https://cdn.shopify.com/s/files/1/0443/1475/5228/files/strut_and_tie_models_concrete_centre.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_off000089d7.bin
d2d6e078fd07b4d8a54a980bf606a9f527e12b96022e262759d7889e35c85e12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89D7 5236 bytes
font_01_sfnt_off00009b92.bin
c038876161460aedb3413d8a549bdd109356e451fcccea7d40912e79062248bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B92 11024 bytes

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