Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fb0cfbe761f45fa…

MALICIOUS

PDF

38.1 KB Created: 2020-09-17 07:38:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 036f8ccd991f60578f2b705af3043e40 SHA-1: 5a880f5f9f4b47a2366ef628312472b1eb5867f6 SHA-256: 9fb0cfbe761f45fa01cf54ae0b2fadf1bbc4c7c74ab98b3c0b6a8190d0da4c5c
150 Risk Score

Malware Insights

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

This PDF document was flagged by multiple heuristics as malicious, specifically for containing a large number of external links. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.club/wix?keyword=he%2527s+an+on+time+god+lyrics'. The document body contains garbled text along with several URLs, suggesting it is designed to lure users into clicking malicious links, potentially for SEO manipulation or to deliver further malware. 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.club/wix?keyword=he%2527s+an+on+time+god+lyrics
    • http://files.franklininternationalbeautystore.com/uploads/1/3/1/3/131380485/vedajojanuroso.pdf
    • http://files.thebeanstalkproject.org/uploads/1/3/1/0/131070115/3387037.pdf
    • http://kizipiwu.cmhscheer.com/uploads/1/3/2/6/132681352/bilonewasexiretuso.pdf
    • http://files.robertgoldenfineartltd.com/uploads/1/3/0/8/130813645/6401070.pdf
    • http://pibitab.sparklyshop.co.uk/uploads/1/3/1/4/131483281/5582254.pdf
    • http://wesisixa.doyogawithchelsea.com/uploads/1/3/1/1/131164460/xivifekajonenu.pdf
    • http://files.justsayinvo.com/uploads/1/3/2/6/132695451/gajujusaronemonobej.pdf
    • http://files.avonsummertheater.com/uploads/1/3/1/0/131070674/jazejufulame.pdf
    • https://29ef7ca9-e4c2-4b13-a1b5-4535ee68a34b.filesusr.com/ugd/18574e_d19d4b5e586b4dbcbbfb55bf63c34aa5.pdf?index=true
    • https://5dbf7282-585a-4218-96d1-cbb005b1811e.filesusr.com/ugd/a2e20a_13ceaf13e1b348458096b9201deb9820.pdf?index=true
    • https://42835479-a96e-43c0-9f76-d629492f5bc5.filesusr.com/ugd/f3bfbb_0bb7f013e4494d6697e3467364153996.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20116177671.pdf
    • https://cdn.shopify.com/s/files/1/0434/7019/2805/files/object_oriented_actionscript_3._0.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_off00005818.bin
3727522c5377474def52bf7dc92627769ef9f60d4b1e9d5e46edb3cb548cd4fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5818 5356 bytes
font_01_sfnt_off00006a43.bin
d67ceb2ca9e20b0e8b9f01d72c45536c72b46abc3f2d49ba890db61b36658c6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A43 9824 bytes

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