PDF malware analysis — malicious · 4ce562e0ab229b6b

MALICIOUS

PDF

52.4 KB Created: 2020-08-18 17:56:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7bd48a043476b1ba7d67a6320ddc01f7 SHA-1: 1928b7b15d25ca84c031c3301fe322e8ba962e35 SHA-256: 4ce562e0ab229b6b5fe2a9ed9dde9fad86fbdb8a67b059b30e20f30d02db20ac

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, embedding numerous external links, many of which point to Shopify-hosted PDFs. The document body contains obfuscated text and a URL that appears to be the same as the malicious redirector. The primary intent is to redirect the user to malicious infrastructure.

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.com/pify?keyword=elsword+apsara+guide
- http://files.bobabobateabar.com/uploads/1/3/0/7/130775393/mewejikidekikek-pizoko-wesinexezutuwof.pdf
- http://files.latterlifeplanninginstitute.com/uploads/1/3/1/6/131606392/7723565.pdf
- http://files.kundaliniyogamanchester.com/uploads/1/3/1/4/131453577/duniwugeluze.pdf
- http://files.lakesuperiorsanctuary.org/uploads/1/3/1/3/131398008/3784f4.pdf
- https://cdn.shopify.com/s/files/1/0437/6700/5333/files/ielts_writing_sample_paper.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/24315261825.pdf
- https://cdn.shopify.com/s/files/1/0434/2949/4936/files/vikebizamunudij.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0845/files/sample_resume_cover_letter_format.pdf
- https://cdn.shopify.com/s/files/1/0432/4117/7252/files/kufuzabozajufisujan.pdf
- https://cdn.shopify.com/s/files/1/0437/5583/1445/files/xiguxejejap.pdf
- https://cdn.shopify.com/s/files/1/0440/6951/9510/files/pumigukibafuvinuvub.pdf
- https://cdn.shopify.com/s/files/1/0434/8179/2664/files/29433392366.pdf
- https://cdn.shopify.com/s/files/1/0432/3953/8851/files/gidijabodasewu.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/sowedokanob.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006587.bin` `75c739dc09d8fa37702ed4df3abeb5203582c3cb9032995f99714a5a8c95296a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6587	5388 bytes
`font_01_sfnt_off00007888.bin` `ef441e2eb85c9989eef5bbc8bacf67314890dd34925157989ee1aca71fa104e0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7888	5176 bytes
`font_02_sfnt_off00008a48.bin` `c218511dd5cb3040466311037b2370f24adb725496c1a18068339885bc4b4c43`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A48	10924 bytes
`font_03_sfnt_off0000afd3.bin` `354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAFD3	16036 bytes

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