Malicious PDF — malware analysis report

Static analysis result for SHA-256 614be1414ac11243…

MALICIOUS

PDF

50.1 KB Created: 2020-08-10 23:18:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d12faa3f5b49cfd3e35567e87728788c SHA-1: 5310a297ed96c58de58d06245d54000f846bab2c SHA-256: 614be1414ac11243c95825e0ef03e6e888fc74e591282f7c2774115637615dc7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links, with one prominent URL pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to malicious infrastructure. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute the malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=construction+company+introduction+letter+sample+pdf
    • http://files.texasdispro.com/uploads/1/3/2/6/132681863/vukizi.pdf
    • http://files.ikaruscoffee.co.nz/uploads/1/3/1/4/131407135/mapufatuboletida.pdf
    • http://files.tlkpowdercoatingmalaysia.com/uploads/1/3/2/7/132740723/gikogikugobibi-foxizan-vuleripagufe-tekoguvana.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/84535734182.pdf
    • https://cdn.shopify.com/s/files/1/0435/2504/6431/files/convertisseur_youtube_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sabam.pdf
    • https://cdn.shopify.com/s/files/1/0431/5843/8039/files/nurebabove.pdf
    • https://cdn.shopify.com/s/files/1/0437/6775/8999/files/42277675940.pdf
    • https://cdn.shopify.com/s/files/1/0430/6924/3549/files/wagovopiposikeroses.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/datofugilasififuko.pdf
    • https://cdn.shopify.com/s/files/1/0429/9423/7599/files/lixugezawa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9508/1625/files/dinuvokijemujuka.pdf
    • https://cdn.shopify.com/s/files/1/0439/7731/0366/files/bwv_974_adagio_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0439/8658/3710/files/45867792575.pdf
    • https://cdn.shopify.com/s/files/1/0428/7679/7081/files/bebeke.pdf
    • https://cdn.shopify.com/s/files/1/0431/3684/3933/files/vubugajejalafa.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007729.bin
c5007a48f7c6a55d3d773963da2daa1d7232e72f2e2869c16e8e79cf187bd300		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7729 5308 bytes
font_01_sfnt_off00008924.bin
3ac040662bf2215010cd82ab80ada9469ff87873dc0973457778ad748b93e5a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8924 16076 bytes

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