PDF malware analysis — malicious · 427c24b64a842d21

MALICIOUS

PDF

54.8 KB Created: 2020-07-31 18:58:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7ff8b53c5c45b0672c1780963829a4bb SHA-1: fcfbf97a7e871bb215f18749fff3566134a065df SHA-256: 427c24b64a842d21940e6459496f9796786a86f9be4b673ad4ebdbdcc72e6d53

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, characteristic of a link farm, with 19 links pointing to PDF files hosted on cdn.shopify.com. One of these links, https://ttraff.ru/pify?keyword=python+snack+game, is identified as a malicious redirector. This suggests the document is designed to lure users to malicious infrastructure, likely for further exploitation or phishing.

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=python+snack+game
- http://files.boutiqueblowout.org/uploads/1/3/1/4/131454549/2974044.pdf
- http://files.godsgracehawaii.com/uploads/1/3/0/8/130874189/vojeguxuzep.pdf
- http://files.champaignsoilandwater.com/uploads/1/3/0/7/130740330/d03bc45a2b8a9.pdf
- http://files.sinomedia.net/uploads/1/3/1/4/131453332/5810654.pdf
- http://files.allspacesllc.com/uploads/1/3/2/8/132814990/797d0b48852e8b5.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/jozobikaladonaf.pdf
- https://cdn.shopify.com/s/files/1/0432/4596/1383/files/93980961863.pdf
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/xizegeluvururoturaf.pdf
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/17872365315.pdf
- https://cdn.shopify.com/s/files/1/0433/0441/9478/files/75480489839.pdf
- https://cdn.shopify.com/s/files/1/0429/2683/3823/files/19734573654.pdf
- https://cdn.shopify.com/s/files/1/0432/5395/6766/files/71039938971.pdf
- https://cdn.shopify.com/s/files/1/0431/1220/2389/files/tusikalenutedu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gamefidijuj.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ridikesomuzumiburowafex.pdf
- https://cdn.shopify.com/s/files/1/0433/1415/1589/files/waxevevopamufo.pdf
- https://cdn.shopify.com/s/files/1/0432/3511/5176/files/81829685406.pdf
- https://cdn.shopify.com/s/files/1/0434/5063/0296/files/17304612647.pdf
- https://cdn.shopify.com/s/files/1/0433/8050/6785/files/67265612234.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/
- https://cdn.shopify.com/s/files/1/0429/2683/3823/files/19734

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008cd8.bin` `319e17fc2572ca221740eb8037a350afc66fa6ac5bd8d12bb6b9d7e485224b5c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CD8	5252 bytes
`font_01_sfnt_off00009ea5.bin` `2b3eb14f2e0fcbace1cf9a31318a05b0e3987ae122643a043fde94aafe94ee82`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9EA5	14840 bytes

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