PDF malware analysis — malicious · b3d7e2c11812da20

MALICIOUS

PDF

48.6 KB Created: 2020-07-27 19:19:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 944ed4eca91c4fff611d5f2e27b7f077 SHA-1: 003416f9d3958ec61619356453144ce778ebf923 SHA-256: b3d7e2c11812da202f173f8c1c21a8db6898a0ea10898035fc6a08ef4f926b22

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a malicious redirector link and a link farm, indicating a phishing or scam attempt. The presence of a 'download button' heuristic further supports this, suggesting the document is designed to trick users into clicking a link. The primary malicious URL identified is ttraff.ru, which redirects to a search query for 'business card template word plain'.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=business+card+template+word+plain
- http://files.entotofoundation.org/uploads/1/3/2/6/132680796/a0efe9b.pdf
- http://files.numb-uk.com/uploads/1/3/0/9/130969461/pafimajituxe_napenupetig_buvuvoka_visasujanakav.pdf
- http://files.fcacatalyst.org/uploads/1/3/1/4/131453395/8326061.pdf
- http://files.braincarelaw.com/uploads/1/3/2/8/132814476/xanofejoro.pdf
- https://cdn.shopify.com/s/files/1/0433/6369/6799/files/nigezofedav.pdf
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/jugabidokivafolara.pdf
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/77631500395.pdf
- https://cdn.shopify.com/s/files/1/0438/2785/5517/files/330765705.pdf
- https://cdn.shopify.com/s/files/1/0430/8933/0325/files/13822504896.pdf
- https://cdn.shopify.com/s/files/1/0434/4610/8312/files/pukomuvobajenoxojabiri.pdf
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/nesadefe.pdf
- https://cdn.shopify.com/s/files/1/0433/8089/9989/files/konow.pdf
- https://cdn.shopify.com/s/files/1/0429/8581/6218/files/19364942347.pdf
- https://cdn.shopify.com/s/files/1/0431/2337/6277/files/92615357538.pdf
- https://cdn.shopify.com/s/files/1/0431/8937/1044/files/vexatogikebuwumebiz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jonexosorovofevovu.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_off00007eb5.bin` `329d7d639583467b6b4ab1463c86cf17f3a725034f85b9cbd15f2491e54795ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EB5	5244 bytes
`font_01_sfnt_off00009073.bin` `f62a5b072ea2a8e0638ba63548640f5fc2d47ea3ecb87c5404b6d2aceb56b787`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9073	10620 bytes

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