PDF malware analysis — malicious · 37aa495433a06272

MALICIOUS

PDF

56.3 KB Created: 2020-08-24 05:10:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 94a259e1bdacac35569c0c4c9a8791bf SHA-1: 585262569eb70934a78b31af5ee9e48112954022 SHA-256: 37aa495433a0627272a14f8ffb642f8cda42dcd0e95816048a69d67f3c3962b2

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, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, specifically 'https://ttraff.ru/pify?keyword=o%2527+reilly+python+for+data+analysis+pdf'. This suggests the document is designed to trick users into visiting malicious sites. The document body, though heavily corrupted, contains text related to 'O' reilly python for data analysis pdf', indicating a lure to attract users interested in technical books.

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=o%2527+reilly+python+for+data+analysis+pdf
- http://zokami.livingheartperu.com/uploads/1/3/1/4/131454526/ff3781575b1fb98.pdf
- http://zebufuza.bradhurstjr.com/uploads/1/3/1/6/131606289/sirezop-wovufivatugi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/15138334831.pdf
- https://cdn.shopify.com/s/files/1/0429/5848/7715/files/54733207652.pdf
- https://cdn.shopify.com/s/files/1/0432/7161/8723/files/hero_pig_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0431/0591/0933/files/42587629070.pdf
- https://cdn.shopify.com/s/files/1/0430/4053/8773/files/sifepo.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/business_manager_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/fufinazefurenelu.pdf
- https://cdn.shopify.com/s/files/1/0432/6670/3516/files/36911387742.pdf
- https://cdn.shopify.com/s/files/1/0437/7929/3338/files/54016085564.pdf
- https://cdn.shopify.com/s/files/1/0432/1227/5870/files/five_senses_worksheets_for_grade_3.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0294/files/file_nng_khng_in_c.pdf
- https://cdn.shopify.com/s/files/1/0437/6847/9901/files/pitudigudosim.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008ffc.bin` `1c7ca4ed2f1ed2cbcaa6533308c39ae05985c8abb3a5ff769eaa8265de49ff32`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FFC	5080 bytes
`font_01_sfnt_off0000a13e.bin` `cf8b860dbee13ab027d88536306ac3b7e62d114198307d9396aec07817836a11`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA13E	10732 bytes
`font_02_sfnt_off0000c5ed.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC5ED	4324 bytes

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