PDF malware analysis — malicious · 33dc8363528131e4

MALICIOUS

PDF

46.5 KB Created: 2020-07-29 22:49:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41742eb062e7a2c5364cfef24549fc54 SHA-1: 5996ba90be358ae1597efba58855ec848e696ffe SHA-256: 33dc8363528131e4d2faff4d30854ae2e25b428f59a3563b9244bc854ecb6c0d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to external resources hosted on Shopify. One of the primary links, traff.ru, is identified as a malicious redirector. The document body, though heavily obfuscated, appears to be related to search engine optimization and book lures, suggesting a phishing or scam attempt. The presence of numerous external links, including a malicious redirector, indicates an attempt to drive traffic to potentially harmful sites.

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=understanding+by+design+pdf+free
- http://files.junkdivine.com/uploads/1/3/0/7/130738568/8677253.pdf
- http://files.deathandseparationbook.com/uploads/1/3/2/6/132681237/fb1c9b1967.pdf
- http://files.ptegppa.org/uploads/1/3/2/7/132712306/rurota_vilikor.pdf
- http://files.firstexecutivelimo.com/uploads/1/3/2/6/132681210/lapepafugosapoz_kabawolilakarog_noxemipisir_detulavubilivan.pdf
- http://files.blitzmarketingma.com/uploads/1/3/1/8/131856071/zimis.pdf
- https://cdn.shopify.com/s/files/1/0428/0611/6511/files/ziwunilew.pdf
- https://cdn.shopify.com/s/files/1/0433/4705/0661/files/tagoruvobez.pdf
- https://cdn.shopify.com/s/files/1/0434/8307/0629/files/bifafamepusa.pdf
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/25356917537.pdf
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/badetivekamobedegow.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2472/files/durok.pdf
- https://cdn.shopify.com/s/files/1/0433/6913/6280/files/tivubodepoz.pdf
- https://cdn.shopify.com/s/files/1/0430/6327/9767/files/wewonikaw.pdf
- https://cdn.shopify.com/s/files/1/0431/3818/7413/files/kudivonutep.pdf
- https://cdn.shopify.com/s/files/1/0430/6301/7629/files/xaxopasuwuzalu.pdf
- https://cdn.shopify.com/s/files/1/0436/5392/2981/files/41284707064.pdf
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/13100118738.pdf
- https://cdn.shopify.com/s/files/1/0430/8788/8551/files/88896751814.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_off00007811.bin` `5108bc114952be0fa949b26401da736cc19f854b1cc029eef3b651bc1177c85c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7811	5088 bytes
`font_01_sfnt_off00008966.bin` `60a2eeaf2cb1ee260251ac9f06171fcb67d5ff02631f50410475f518081b10fc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8966	10500 bytes

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