Malicious PDF — malware analysis report

Static analysis result for SHA-256 e77b1dba7eb7d686…

MALICIOUS

PDF

43.1 KB Created: 2020-09-08 14:32:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90d32faf64f3ce0fb7b58fe8e14a3976 SHA-1: 68cebea77c387790ad496cebb96d1ea4506b9eb1 SHA-256: e77b1dba7eb7d686346ccb7bf1d0a22202d0c0574fa889f94afdb1c0b2d62b9c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=adobe+spark+apk+cracked'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links embedded within the document body, many pointing to Shopify domains. The document body itself contains garbled text but includes the malicious URL, suggesting an attempt to disguise or deliver a malicious payload.

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.me/wix?keyword=adobe+spark+apk+cracked
    • https://cdn.shopify.com/s/files/1/0462/6654/8373/files/libadavagox.pdf
    • https://cdn.shopify.com/s/files/1/0433/3528/6943/files/fomategop.pdf
    • https://cdn.shopify.com/s/files/1/0438/2811/7661/files/fizomanitinokipuku.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8821/files/ruwop.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2802/files/4003744888.pdf
    • https://cdn.shopify.com/s/files/1/0461/7096/4131/files/kisofusaxaxirizesijive.pdf
    • https://cdn.shopify.com/s/files/1/0432/4222/5831/files/94061407118.pdf
    • https://cdn.shopify.com/s/files/1/0432/5474/3200/files/exercices_corrigs_sur_les_filtres_analogiques.pdf
    • https://cdn.shopify.com/s/files/1/0429/8034/3967/files/11192353902.pdf
    • https://cdn.shopify.com/s/files/1/0434/1989/3927/files/gamete_formation_in_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4732/0728/files/walomonokitififugeluneja.pdf
    • https://cdn.shopify.com/s/files/1/0431/5709/4559/files/football_world_cup_2020_fixtures_bd_time.pdf
    • https://cdn.shopify.com/s/files/1/0433/9191/0038/files/22979455630.pdf
    • https://cdn.shopify.com/s/files/1/0431/3061/8020/files/guided_imagery_scripts.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_off00006944.bin
80936cfc7213d0c0174d2cad6be4fc50624716a3057b2376ab781bc170ca5a11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6944 5228 bytes
font_01_sfnt_off00007b19.bin
0634d6d5caf15ebc8699adc0d2e42d20cbfc325d4c6085bb933c94ba5be61884		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B19 10944 bytes

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