Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f44dace827ce168…

MALICIOUS

PDF

90.3 KB Created: 2020-08-08 10:23:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 927923b68a67e24324992529535c55b1 SHA-1: 2e18e04175ff34147fabb75bcf813d48c1632212 SHA-256: 2f44dace827ce168d69c62d6b622ff1296504a97eab5eb47297dc11536b8de1d
120 Risk Score

Malware Insights

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

The PDF was flagged for containing a malicious redirector link and a large number of external PDF links, indicating a link farm. The primary malicious URL, https://ttraff.cc/wb?keyword=jung%20arquetipos%20e%20inconsciente%20colectivo%20pdf, is likely used to lure victims into downloading further malicious content or engaging in phishing. The document body contains obfuscated text and the authoring application, suggesting it was programmatically generated to host these 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.cc/wb?keyword=jung%20arquetipos%20e%20inconsciente%20colectivo%20pdf
    • http://files.flagwool.com/uploads/1/3/1/3/131398000/divexovoz_sabexikat_pilevejigedew.pdf
    • http://files.allbestnet.com/uploads/1/3/2/7/132740951/pagozurade.pdf
    • http://files.fwbhs-band.com/uploads/1/3/1/8/131856706/0fbfc1ce9.pdf
    • https://cdn.shopify.com/s/files/1/0429/4737/9356/files/zabosevonovomesop.pdf
    • https://cdn.shopify.com/s/files/1/0437/5992/7448/files/53850064963.pdf
    • https://cdn.shopify.com/s/files/1/0430/6799/8362/files/bowewupatodulurileloteten.pdf
    • https://cdn.shopify.com/s/files/1/0435/8914/0643/files/78311345008.pdf
    • https://cdn.shopify.com/s/files/1/0433/8899/3699/files/4244399952.pdf
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/6929784501.pdf
    • https://cdn.shopify.com/s/files/1/0433/0212/5733/files/tuesday_lyrics_drake.pdf
    • https://cdn.shopify.com/s/files/1/0429/4865/7318/files/2018631160.pdf
    • https://cdn.shopify.com/s/files/1/0434/0423/0805/files/ziginonozebos.pdf
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/sumupafigowulexerivije.pdf
    • https://cdn.shopify.com/s/files/1/0430/7196/3296/files/94518159020.pdf
    • https://cdn.shopify.com/s/files/1/0434/3290/2806/files/92266941218.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_off00011f6e.bin
8bda0ccd1ddc33630aa67c247c533ba4d29f0b14c35675bd67c66b132067c9f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F6E 5496 bytes
font_01_sfnt_off00013237.bin
f4415873c8505602aca5c5f32cebc4e8380bceffd3ed9442dc5dc83566be917d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13237 12356 bytes

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