Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2adf479683921f1…

MALICIOUS

PDF

50.5 KB Created: 2020-08-04 08:03:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01a6a66c5cf0a5be2f230c3335a89d3a SHA-1: 074e4f7deb440db34a87bbd4d33b629d25a9b178 SHA-256: f2adf479683921f120810c137f5725497c51fa79f317c3c57481f650c30a66c0
150 Risk Score

Malware Insights

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

The PDF contains numerous links, with one critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Austria map pdf download' and the malicious URL. The presence of a malicious redirector suggests the document is designed to lead the user to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=austria+map+pdf+download
    • http://files.susannealmoore.com/uploads/1/3/0/9/130969494/pukadolenazun-sirowaxezu.pdf
    • http://files.sharonceslak.com/uploads/1/3/1/4/131483307/xifepamudolebudi.pdf
    • http://files.oregonstateinvestmentgroup.com/uploads/1/3/1/8/131872149/6871610.pdf
    • http://files.davidandhayley.net/uploads/1/3/1/3/131380870/6227555.pdf
    • http://files.wcapiary.com/uploads/1/3/1/4/131437655/miniwebusodunobuxe.pdf
    • https://cdn.shopify.com/s/files/1/0432/8652/8155/files/24057831419.pdf
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/zifixafixavuveni.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdf
    • https://cdn.shopify.com/s/files/1/0432/1165/3282/files/sample_business_proposal_letter_for_services.pdf
    • https://cdn.shopify.com/s/files/1/0439/9307/1774/files/9396526486.pdf
    • https://cdn.shopify.com/s/files/1/0430/6799/8362/files/morotalulakawemaze.pdf
    • https://cdn.shopify.com/s/files/1/0433/5036/0232/files/lupajoxax.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/60308641905.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84312174386.pdf
    • https://cdn.shopify.com/s/files/1/0434/7500/9686/files/mutowexemovesegaj.pdf
    • https://cdn.shopify.com/s/files/1/0429/2119/7724/files/joxediri.pdf
    • https://cdn.shopify.com/s/files/1/0433/9489/1943/files/4952767027.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006186.bin
fffb288bf7f4740fdfaa00f7a76e8dfaa093f4cea39972528b2ec6dc022d1776		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6186 5032 bytes
font_01_sfnt_off0000728f.bin
e18ddabfdda0108ac29ed5206256a15f708593622da49e9af359e5411617ee8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x728F 10312 bytes
font_02_sfnt_off000095f8.bin
fdcbeae379eaa1d5d3bcbfcb104de30967316cb5b226a7d5923be16051f36ba0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95F8 17000 bytes
font_03_sfnt_off0000ae52.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE52 4324 bytes

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