Malicious PDF — malware analysis report

Static analysis result for SHA-256 21888d496db76bc9…

MALICIOUS

PDF

57.1 KB Created: 2020-08-23 02:41:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59ce08d72e2cb4242df6d51e9748f166 SHA-1: c0b2f3777208b3b32ef2c7f4e24524940b46bafc SHA-256: 21888d496db76bc91e400e3621cda2b5162681498a2b1ca18003f60a90ea5eaa
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 points to 'https://ttraff.cc/pify?keyword=battlelands+royale+apk+latest+version'. This URL is presented within the document body, suggesting a lure for users to download an application. The PDF also contains a large number of external links, many hosted on Shopify, indicating a link farm strategy. No scripts were extracted from this sample.

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=battlelands+royale+apk+latest+version
    • http://files.solarenergybrokerinc.com/uploads/1/3/1/4/131454090/sisoluzakoronux_vagasagerurud_mobuf_nulakuwuguw.pdf
    • https://cdn.shopify.com/s/files/1/0437/2588/1498/files/xibakudesuwukunak.pdf
    • https://cdn.shopify.com/s/files/1/0435/0948/1624/files/33682037096.pdf
    • https://cdn.shopify.com/s/files/1/0435/8973/0467/files/wedding_couple_dance_video.pdf
    • https://cdn.shopify.com/s/files/1/0430/3667/2162/files/51765816039.pdf
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/ludizaxapesozaru.pdf
    • https://cdn.shopify.com/s/files/1/0438/6376/9243/files/logical_reasoning_test_2.pdf
    • https://cdn.shopify.com/s/files/1/0434/2022/1607/files/hd_art_wallpapers.pdf
    • https://cdn.shopify.com/s/files/1/0430/3749/1357/files/biological_classification_class_11.pdf
    • https://cdn.shopify.com/s/files/1/0435/2350/6336/files/sagefewupopat.pdf
    • https://cdn.shopify.com/s/files/1/0440/7099/4085/files/61742132603.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000910f.bin
0d2e4ff38383e3b0d730512af296ed98273f00ba8bf768e20d4260bea02bae7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x910F 5016 bytes
font_01_sfnt_off0000a232.bin
9175e76274d35c10285e04905530358aac58cd64ba4f52f9497662c5969b8f33		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA232 11476 bytes
font_02_sfnt_off0000c918.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC918 4324 bytes

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