Malicious PDF — malware analysis report

Static analysis result for SHA-256 f16fac60bbd698c3…

MALICIOUS

PDF

47.8 KB Created: 2020-08-22 20:43:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 04e8cc771fe9124ee4b5c6430d2bd437 SHA-1: 756e9868993eece0a90a67f98c0fd62f46a43b12 SHA-256: f16fac60bbd698c329a5be288737b1cae22cb2ecbc8e734a4df11e4235d104a4
150 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that, when clicked, leads to a URL offering a download for 'Filmora 9 full setup free'. This indicates a likely lure for users to download potentially unwanted or malicious software. The PDF also hosts a large number of external links, many pointing to Shopify, which is characteristic of SEO link farm abuse for traffic redirection. The ML classifier strongly flagged this PDF as malicious.

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.cc/pify?keyword=filmora+9+full+setup+free
    • http://gavanox.milfordmillcdc.com/uploads/1/3/0/8/130814717/fd65e50783e58.pdf
    • http://paminozuk.franibab.com/uploads/1/3/2/3/132303082/makapepef.pdf
    • https://cdn.shopify.com/s/files/1/0438/9391/5800/files/82608218067.pdf
    • https://cdn.shopify.com/s/files/1/0437/0749/8647/files/calcium_chloride_msds_sigma.pdf
    • https://cdn.shopify.com/s/files/1/0428/0313/4627/files/66857220989.pdf
    • https://cdn.shopify.com/s/files/1/0431/7901/6349/files/thomas_calculus_12_edition.pdf
    • https://cdn.shopify.com/s/files/1/0438/0996/4192/files/mobitiraxelosigotaluba.pdf
    • https://cdn.shopify.com/s/files/1/0432/6454/0827/files/41200293480.pdf
    • https://cdn.shopify.com/s/files/1/0432/0247/8237/files/cricket_phones_walmart.pdf
    • https://cdn.shopify.com/s/files/1/0432/3845/7508/files/zulivenimozujege.pdf
    • https://cdn.shopify.com/s/files/1/0432/3622/9278/files/8726667163.pdf
    • https://cdn.shopify.com/s/files/1/0431/2819/3184/files/general_chemistry_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/8139/1514/files/vasizi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1564/3031/files/wubagomizowigapomamudeg.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/
    • https://cdn.shopify.com/s/files/1/0431/7901/6349/files/thomas_calculus_

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00007cdf.bin
d0f371fad47834e61ec2493885eaa0419576e3177225bf5593ab0012349c0b82		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7CDF 5160 bytes
font_01_sfnt_off00008e52.bin
10003d28015d252722b5b597f4b5d9c85a26a03b1636809141a4252cf9607d08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E52 10604 bytes

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