Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9e8f42b0f8732c1…

MALICIOUS

PDF

47.2 KB Created: 2020-08-20 04:53:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0f466957d7d767534a20dc44a98d648 SHA-1: 005048d1f93ff0dc37e453f5f215dab67f5872c4 SHA-256: b9e8f42b0f8732c12fabc3047f48adee647e02cab81980eb9bb0c19b18ebc952
150 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=ducktales+theme+song+sheet+music'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect the user to malicious infrastructure. The presence of many other PDF links, some hosted on Shopify, indicates a link farm or SEO poisoning tactic to obscure the malicious destination. No scripts were extracted from this sample.

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=ducktales+theme+song+sheet+music
    • http://files.woodsnaturalskincare.co.nz/uploads/1/3/1/4/131483154/tiduvuzara.pdf
    • http://vegulusix.ameliasherry.com/uploads/1/3/1/3/131379730/kejelebizogela.pdf
    • http://files.keithgriffithssquash.com/uploads/1/3/1/3/131383377/e3d838614a7f39.pdf
    • http://baziwu.torrivanwie.com/uploads/1/3/0/7/130775320/7338246.pdf
    • http://tuxebediw.aaandc.org/uploads/1/3/1/4/131454762/jofeguvobekiresov.pdf
    • https://cdn.shopify.com/s/files/1/0431/7108/6492/files/parisopomad.pdf
    • https://cdn.shopify.com/s/files/1/0437/4423/1575/files/nafaviwepixiwo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2151/6448/files/34399110809.pdf
    • https://cdn.shopify.com/s/files/1/0427/9291/1007/files/notirasagodirupemivofef.pdf
    • https://cdn.shopify.com/s/files/1/0432/0555/8436/files/2412483736.pdf
    • https://cdn.shopify.com/s/files/1/0436/0660/5981/files/faliji.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pegegezanonipilupe.pdf
    • https://cdn.shopify.com/s/files/1/0438/7019/1771/files/aprender_ingles_basico_facil.pdf
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/66184128166.pdf
    • https://cdn.shopify.com/s/files/1/0428/7194/7430/files/fazivegojibapili.pdf
    • https://cdn.shopify.com/s/files/1/0429/7372/4825/files/gaxirixorururas.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_off00004de0.bin
11a832f9cc6a114ed15fc7ed8ac6b52b2006daf4d24f6858e3c40263fbb2ce8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DE0 5060 bytes
font_01_sfnt_off00005ef9.bin
27b1a045749479b05ae2bd4b94965c473c0f0ed95d96b8a94713102d491fc048		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF9 14300 bytes
font_02_sfnt_off00008be7.bin
e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BE7 16204 bytes
font_03_sfnt_off0000a115.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA115 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.