PDF malware analysis — malicious · d1c18ddeb8927450

MALICIOUS

PDF

45.6 KB Created: 2020-08-22 20:33:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7fe2d5b02179ba85e561a8a35c08db4a SHA-1: 0ee33ef9b10edd8b37161efed8d38a2739cdf163 SHA-256: d1c18ddeb8927450e0d69885470d3366e679a6b207d459f6b65866e72fb46031

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a mass external link farm, with the primary link directing to a known malicious redirector. The document body, though heavily obfuscated, contains text that suggests it is a user manual, likely a lure to encourage clicks on the malicious link. The redirector URL is the highest priority IOC, as it is the initial point of contact for the malicious payload.

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=mx+android+tv+box+user+manual
- http://files.lightonwatertcm.com/uploads/1/3/0/7/130775859/a9b9e.pdf
- http://files.dancedriven.net/uploads/1/3/0/9/130969573/110926.pdf
- http://files.jesusfreeforall.org/uploads/1/3/2/6/132682802/lukopalajifimivojiro.pdf
- http://files.designsoncraft.co.uk/uploads/1/3/0/8/130813330/vopuwasakemen.pdf
- http://files.lostrivercareercooperative.com/uploads/1/3/0/7/130740012/ce92103bd4.pdf
- https://cdn.shopify.com/s/files/1/0436/2944/5273/files/acuerdo_final_de_paz_resumen.pdf
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/majatiwivawuputa.pdf
- https://cdn.shopify.com/s/files/1/0437/6081/2190/files/56622344297.pdf
- https://cdn.shopify.com/s/files/1/0440/8426/5110/files/42661446351.pdf
- https://cdn.shopify.com/s/files/1/0431/6479/5044/files/sipovojumofatodil.pdf
- https://cdn.shopify.com/s/files/1/0439/2416/0667/files/19379285941.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/jajewewogijavonegewodinag.pdf
- https://cdn.shopify.com/s/files/1/0436/5864/1561/files/laraxevijuponu.pdf
- https://cdn.shopify.com/s/files/1/0434/5731/4977/files/vutevubezowiriweso.pdf
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/alphabet_in_spanish_language.pdf
- https://cdn.shopify.com/s/files/1/0463/8847/8107/files/formato_de_acuerdo_de_confidencialidad_gratis.pdf
- https://cdn.shopify.com/s/files/1/0431/8383/3249/files/pisalobezap.pdf
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/7463556565.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_off00007423.bin` `c231f6899fb3170f1f40e060eb588533312bb11610acc1fb0f5056d0a25649af`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7423	5244 bytes
`font_01_sfnt_off000085e7.bin` `5ee56c58064573a3d419772b1e72b370e5750ac353a27be3b5f9095e41eef2c3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85E7	10364 bytes

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