PDF malware analysis — malicious · 2ec4110f52b349da

MALICIOUS

PDF

48.5 KB Created: 2020-08-06 23:02:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: abab8479b24ee344bbfce659d1cd2f70 SHA-1: d7592602525d8b1fcabd7c833d6a4815998e5309 SHA-256: 2ec4110f52b349da72eb6553516429ab3ea5f7922538cd8f218d35e347cf2dea

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a malicious redirector link disguised as an 'Axis bank credit card customer request form pdf'. This link, 'https://ttraff.com/pify?keyword=axis+bank+credit+card+customer+request+form+pdf', is designed to lead users to a potentially harmful destination. The document also features a large number of external PDF links, many hosted on Shopify, which is indicative of a link farm used for SEO manipulation or to obscure the final malicious destination. 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.com/pify?keyword=axis+bank+credit+card+customer+request+form+pdf
- http://files.labednbreakfast.com/uploads/1/3/0/7/130738805/nugilixesafud_wuralevukinuvov.pdf
- http://files.hotboxsalonsa.com/uploads/1/3/1/4/131407088/c5f3971fa6d91.pdf
- http://linef.harvestmooncafe.biz/uploads/1/3/1/3/131380485/vejamedudejadoz_purebutilew_dixar_zugofijuziguke.pdf
- http://togedafa.deminphotography.com/uploads/1/3/2/6/132681556/garipaxe.pdf
- http://files.lilyfontas.com/uploads/1/3/1/3/131398010/waxidixu.pdf
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/60772724320.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5400/files/35630131236.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34515707504.pdf
- https://cdn.shopify.com/s/files/1/0429/0510/8636/files/18964677658.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/95590600713.pdf
- https://cdn.shopify.com/s/files/1/0433/0723/7531/files/21_jump_street_streaming.pdf
- https://cdn.shopify.com/s/files/1/0429/1526/6713/files/miwawuwofidorolaved.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/salelixakibikiziz.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2797/files/35943825267.pdf
- https://cdn.shopify.com/s/files/1/0434/2556/2775/files/pdf_to_dwg_converter_2020_online_free.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_off00007d29.bin` `8080532323432b04ec0b4f976427b2ce955debd25d033724c87b386a68e3ca4f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D29	5656 bytes
`font_01_sfnt_off00009052.bin` `8960b409a95b537aec1bedee4f79a349aa845e561c2749430279dd4d0ed9b250`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9052	10792 bytes

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