Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ee4a093140fff17…

MALICIOUS

PDF

42.2 KB Created: 2020-08-21 12:18:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 529bf51a60ab479f6c7a5014c6f78b47 SHA-1: 2f351bd0536f94f101a674f1991690f2de48e59e SHA-256: 2ee4a093140fff178f9c1448ecde439698578812a6d86be1468466e1008562bf
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=food+beverage+industry+report'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the same redirector URL. This suggests a phishing or redirection campaign aiming to lead users to malicious infrastructure.

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.ru/pify?keyword=food+beverage+industry+report
    • http://files.ncomputingresourcebank.com/uploads/1/3/2/6/132696104/sogadifok.pdf
    • http://files.noeldouglasorput.com/uploads/1/3/1/4/131409200/matiroweju.pdf
    • http://files.coverbpodcast.com/uploads/1/3/2/6/132681409/6978233.pdf
    • http://xedobavo.southernwineroads.com/uploads/1/3/0/9/130969059/suvofosevuvi-xajexob-nosavonidisu-jatujibazaluxel.pdf
    • http://zunorixef.awesomewomenlibrary.com/uploads/1/3/0/8/130813747/logasakimet.pdf
    • https://cdn.shopify.com/s/files/1/0428/8138/4604/files/fakibigotujimexafadole.pdf
    • https://cdn.shopify.com/s/files/1/0428/1604/5222/files/tijapefileba.pdf
    • https://cdn.shopify.com/s/files/1/0430/0272/4506/files/biphasic_liquid_dosage_form_ppt.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86526592296.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rabilividobakomitunaxizug.pdf
    • https://cdn.shopify.com/s/files/1/0430/5528/4378/files/xemubipitunerudepubezige.pdf
    • https://cdn.shopify.com/s/files/1/0433/4672/2969/files/93228322125.pdf
    • https://cdn.shopify.com/s/files/1/0434/5269/4680/files/dikapu.pdf
    • https://cdn.shopify.com/s/files/1/0432/5454/6590/files/online_bengali_books_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/4986/1791/files/probability_and_statistical_inference_9th_edition_solutions_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/7929/3338/files/pobonuzakobuvuwe.pdf
    • https://cdn.shopify.com/s/files/1/0430/9870/1977/files/99042975912.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_off00006575.bin
5aef99c7f133175eded5b1decfb8059522ab6be047fdf4f167187495ffeb3763
pdf-font-stream PDF embedded font (sfnt) at offset 0x6575 5352 bytes
font_01_sfnt_off000077c3.bin
71f6e52aa32ee6a86cd3cd3da0a7637ee287d5a96234ca5418518d1b562112ed
pdf-font-stream PDF embedded font (sfnt) at offset 0x77C3 10624 bytes