PDF malware analysis — malicious · d7e837ab31e7c6ad

MALICIOUS

PDF

71.8 KB Created: 2020-08-11 14:09:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ffd88774dad67f029ba09883c9d87b33 SHA-1: e81288fd4fcfd6724ddcd6771ec3eab5503f63f0 SHA-256: d7e837ab31e7c6adfdddd35439e86cf83dd65ff2ab49400bc99f75613a748083

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=innovation+and+entrepreneurship+peter+drucker+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify domains. The document body itself contains garbled text and the URL, suggesting a lure to a malicious site rather than legitimate content.

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=innovation+and+entrepreneurship+peter+drucker+pdf
- http://files.hjstudioraleigh.com/uploads/1/3/0/7/130776852/4767640.pdf
- http://files.boxerjkd.com/uploads/1/3/1/3/131398367/napivoza.pdf
- http://bofof.reapottery.com/uploads/1/3/0/9/130969060/tanivalunukijul_gojike_bibaf_bonob.pdf
- http://files.ancestral-pathways.com/uploads/1/3/2/7/132712139/ragusajapugi.pdf
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/zenewozisidimesifikenavi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdf
- https://cdn.shopify.com/s/files/1/0437/6893/8647/files/wijagijazaxumufoxam.pdf
- https://cdn.shopify.com/s/files/1/0436/5818/2809/files/harry_potter_bloomsbury_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/8206/2753/files/wavofes.pdf
- https://cdn.shopify.com/s/files/1/0429/6091/2537/files/zotorokon.pdf
- https://cdn.shopify.com/s/files/1/0431/6528/6566/files/jufukegaderewawekabokux.pdf
- https://cdn.shopify.com/s/files/1/0428/3102/0198/files/zizojupokibo.pdf
- https://cdn.shopify.com/s/files/1/0430/8375/9765/files/ecce_romani_1_teacher_s_edition.pdf
- https://cdn.shopify.com/s/files/1/0440/8826/2821/files/how_to_premove_chess._com.pdf
- https://cdn.shopify.com/s/files/1/0432/9334/3912/files/benafek.pdf
- https://cdn.shopify.com/s/files/1/0431/6689/2181/files/lepidupurop.pdf
- https://cdn.shopify.com/s/files/1/0439/7678/6078/files/73787739354.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_off0000dd43.bin` `ef0230d81cf1262e1cc078ed9777cfd182b60e2b4c3b9346654fcefe1c31dca0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD43	5272 bytes
`font_01_sfnt_off0000ef2b.bin` `abda026bcdc07166a90a2dab5957f136954e58861d424e9106548e867daf9dd1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF2B	10040 bytes

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