PDF malware analysis — malicious · 32d0f0018b3cb599

MALICIOUS

PDF

44.7 KB Created: 2020-08-02 21:22:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b4c38a345bc9007ad056570839407901 SHA-1: b92c46a75f15036858f98fc8fc0fdeb6f94811bf SHA-256: 32d0f0018b3cb599ce63d0de4379a158301476d824c2de884b94f9b937c2bfbc

150 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=brazil+vs+france'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs hosted on domains like cdn.shopify.com. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL and references to 'Brazil vs France', suggesting a lure.

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.ru/pify?keyword=brazil+vs+france
- http://files.christophercawley.us/uploads/1/3/1/4/131453194/zudetidadakobexa.pdf
- http://files.laurasallen.com/uploads/1/3/1/3/131381450/6881946.pdf
- http://files.gilliantorckler.com/uploads/1/3/0/8/130874629/gomenevidi-kinepowa-xasokipa-xupuzateseroji.pdf
- http://files.eahae.online/uploads/1/3/2/7/132740873/9604865.pdf
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/siloledurag.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/91344001035.pdf
- https://cdn.shopify.com/s/files/1/0433/8941/9676/files/52209247897.pdf
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/roxazavanizokepaze.pdf
- https://cdn.shopify.com/s/files/1/0435/4031/6311/files/93972176971.pdf
- https://cdn.shopify.com/s/files/1/0428/8099/1388/files/71973658825.pdf
- https://cdn.shopify.com/s/files/1/0431/8671/6830/files/83092007266.pdf
- https://cdn.shopify.com/s/files/1/0434/8156/3286/files/jixolavakidazorosuza.pdf
- https://cdn.shopify.com/s/files/1/0431/1567/5815/files/46121682367.pdf
- https://cdn.shopify.com/s/files/1/0431/3301/0082/files/kazanutomurikod.pdf
- https://cdn.shopify.com/s/files/1/0431/9870/9918/files/tofafuzimobuni.pdf
- https://cdn.shopify.com/s/files/1/0436/9347/3947/files/37925487865.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8839/files/52730231030.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_off00007244.bin` `a8ac7a954733e01fd91ebc8a166eae54d25116a712f49d691c1b42689c733800`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7244	5036 bytes
`font_01_sfnt_off00008382.bin` `d57004a857cc0b078548ac5dddbfc40f11e1193bfcaa31e389c7b5df46a7a97b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8382	10008 bytes

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