Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f60d02b50a612a…

MALICIOUS

PDF

67.1 KB Created: 2020-04-06 07:10:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 94644ea1d3fc27c33c4d665d50bf49d8 SHA-1: 67d0b16deefea53afea6ea41030798d990adb621 SHA-256: f0f60d02b50a612a9fc4e5dce90356aeb5f1e0303b0b2529724fd33c086befc5
62 Risk Score

Malware Insights

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

The PDF document contains numerous external links, a common technique for SEO spam or phishing campaigns. The document body, though heavily obfuscated, contains text related to 'Us israel tax treaty pension' and references the wkhtmltopdf tool, suggesting a lure to a potentially malicious website. The presence of a PDF link farm heuristic further supports the malicious intent.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://chemohappysacs.com/uploads/1/3/0/6/130639231/130639231.html#us+israel+tax+treaty+pension
    • http://cprclimateworkshop.cprindia.org/uploads/1/3/0/5/130551013/f038d9bfa85e682.pdf
    • http://saintalbansnyc.com/uploads/1/3/0/6/130605388/4862602.pdf
    • http://strategicask.com/uploads/1/3/0/6/130604812/wesutikixewuki.pdf
    • http://agriturismocramaccioli.com/uploads/1/3/0/5/130540714/3312e7.pdf
    • http://franchisementor.org/uploads/1/3/0/3/130312919/nuxadowekimemarobam.pdf
    • http://thesurflog.com/uploads/1/3/1/4/131411474/3588c.pdf
    • http://theboutiquelania.com/uploads/1/3/0/5/130550825/6fb229e36b90b7.pdf
    • http://helenictradings.com/uploads/1/3/0/7/130776083/jarugilubowu-rebaloneres-filam.pdf
    • http://knacky-knaves.com/uploads/1/3/0/7/130738716/11c7f53fa9fba5.pdf
    • http://ownershipvalue.com/uploads/1/3/0/4/130488861/b80d69.pdf
    • http://shuttornillodown.com/uploads/1/3/0/6/130603771/bitarewudezivulolaw.pdf
    • http://lunacleaning.net/uploads/1/3/0/8/130813362/7301038.pdf
    • http://kittylomax.com/uploads/1/3/0/2/130288326/6a0da.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dc8a.bin
669d367d8b5cc6ef8d79f475f9204748b5fbbb83381e8fa089a4127eac835764		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC8A 9096 bytes

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