PDF malware analysis — malicious · f37ae6a923866c29

MALICIOUS

PDF

37.5 KB Created: 2020-08-06 03:08:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 06d15dbd33c4212712140fff2add4e5d SHA-1: 13cc685f86eefa5ea7ff742e2c1d999cb8ff3971 SHA-256: f37ae6a923866c29e2086297dc1670767f10860087e47c66bbc5a81934d971d5

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous links to external PDFs, many hosted on Shopify, and a primary link to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Alamo drafthouse winchester menu pdf' and the URL 'https://ttraff.com/pify?keyword=alamo+drafthouse+winchester+menu+pdf', suggesting a lure to a fake menu. The ML classifier strongly supports maliciousness.

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=alamo+drafthouse+winchester+menu+pdf
- http://files.thebiasadjuster.com/uploads/1/3/0/9/130969986/sodamuven-sunagegov-nebolagaxolajam.pdf
- http://files.yellowbarnwholesale.com/uploads/1/3/1/3/131383478/3638031.pdf
- http://gegalotog.crashcommand.net/uploads/1/3/0/7/130776257/6281676.pdf
- http://gixoni.reallifeconsulting.org/uploads/1/3/0/8/130874493/6c532a08.pdf
- http://fipodi.ethnicjewelsofindia.com.au/uploads/1/3/1/6/131637240/gogobeziwekix_nipuduguboso.pdf
- https://cdn.shopify.com/s/files/1/0428/9685/1103/files/fragrant_branch_of_yore.pdf
- https://cdn.shopify.com/s/files/1/0431/5283/4711/files/jofujabapugokizubepakim.pdf
- https://cdn.shopify.com/s/files/1/0433/2398/1979/files/dijekafezi.pdf
- https://cdn.shopify.com/s/files/1/0433/6710/4664/files/rimaturejex.pdf
- https://cdn.shopify.com/s/files/1/0431/0741/8263/files/nukatos.pdf
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/dezoxizuwujonefafeg.pdf
- https://cdn.shopify.com/s/files/1/0430/9801/3845/files/gereruwobuxur.pdf
- https://cdn.shopify.com/s/files/1/0430/1901/0201/files/28846629251.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9381/files/duzetodutovanexekeloduki.pdf
- https://cdn.shopify.com/s/files/1/0431/6279/6186/files/sondagem_vesical.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9646434013.pdf
- https://cdn.shopify.com/s/files/1/0433/8040/8474/files/57827016671.pdf
- https://cdn.shopify.com/s/files/1/0430/9050/9977/files/1355460460.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00005316.bin` `3cf86c1fb92cbefadc03cd242ffba445a17ded3836cf5bbfb50d727a96195772`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5316	5476 bytes
`font_01_sfnt_off0000659f.bin` `b91b6e233705d3b45b6fcecd07ab279236a4ece20e9c51fa839b7c1087b81303`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x659F	10292 bytes

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