PDF malware analysis — malicious · 2b4ab13b81298964

MALICIOUS

PDF

42.8 KB Created: 2020-08-09 00:12:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5b88de65f1e37c3d4969d47d551f9568 SHA-1: d0e08dd7a40c04d3b5d8ce058d16b50fcddd2778 SHA-256: 2b4ab13b812989644c819d37823e688c993eca532d917beef3f5a6636f34df18

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at ttraff.ru, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains the same URL, suggesting it's the intended lure. No scripts were extracted from this sample.

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=college+panda+sat+math+pdf+free
- http://files.womeninbusinessisu.com/uploads/1/3/1/0/131069890/f7a7093.pdf
- http://files.fatherandsonfun.com/uploads/1/3/2/6/132680986/6707939.pdf
- http://files.kindercornerdaycare.com/uploads/1/3/1/6/131637839/luwobivomuginuvebam.pdf
- http://files.minerelementary.org/uploads/1/3/2/6/132682882/d7cf661df56054.pdf
- http://files.furryfriendsofscotland.com/uploads/1/3/0/8/130873846/parubesipodat-tulotinapo-toneb.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0071/files/86337756923.pdf
- https://cdn.shopify.com/s/files/1/0435/8638/8136/files/gipexuvarubemizi.pdf
- https://cdn.shopify.com/s/files/1/0438/6009/9222/files/accelerometer_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0436/5929/6926/files/ordinal_numbers_1_100.pdf
- https://cdn.shopify.com/s/files/1/0429/9040/3737/files/dedufozenosupax.pdf
- https://cdn.shopify.com/s/files/1/0431/2222/9397/files/91114171552.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/79976429111.pdf
- https://cdn.shopify.com/s/files/1/0432/6142/7876/files/kiveguwuvewewidotukukokax.pdf
- https://cdn.shopify.com/s/files/1/0439/9595/5358/files/83566708253.pdf
- https://cdn.shopify.com/s/files/1/0430/7664/9124/files/90319358066.pdf
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/29820378307.pdf
- https://cdn.shopify.com/s/files/1/0431/4205/4048/files/animes_movies_2011.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6063/files/31293848521.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_off00006ab0.bin` `a09bc827a0b2d66d1baf223b516203eec9732211e13344135bc4ffc2b343b024`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AB0	5360 bytes
`font_01_sfnt_off00007cbf.bin` `7722b162616c8265128f507b067fee03565b83443d300d664dabaa8865e88f49`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CBF	9856 bytes

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