PDF malware analysis — malicious · 44484c20c500fc12

MALICIOUS

PDF

72.3 KB Created: 2020-08-10 15:41:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3a8d20df00f85842accd8273530ec186 SHA-1: 5fc52c4d1114760d953393411633bba32bfbda27 SHA-256: 44484c20c500fc12adcccd67e962d182d9cc698e930237f66728f91135bfe89b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, includes the URL 'https://ttraff.com/pify?keyword=signs+and+symptoms+of+schistosomiasis+pdf', suggesting a lure related to health information. The presence of numerous external links, many hosted on 'cdn.shopify.com', indicates a link farm strategy to distribute malicious content. 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.com/pify?keyword=signs+and+symptoms+of+schistosomiasis+pdf
- http://files.milenablomqvist.com/uploads/1/3/1/3/131383823/3541228.pdf
- http://files.mazterappliances.com/uploads/1/3/0/8/130814674/xizawinawew-rexurozom.pdf
- http://dowin.cotoxguide.org/uploads/1/3/1/4/131407227/641921.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3444/files/kibakemofu.pdf
- https://cdn.shopify.com/s/files/1/0432/6955/4329/files/39027150695.pdf
- https://cdn.shopify.com/s/files/1/0430/8982/1845/files/xipisiwut.pdf
- https://cdn.shopify.com/s/files/1/0428/4094/8892/files/gunupafexipipaxanixi.pdf
- https://cdn.shopify.com/s/files/1/0433/6641/6534/files/amway_nutrilite_catalog.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3507/files/mojatajapofekuzeg.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/vojuwedemoliv.pdf
- https://cdn.shopify.com/s/files/1/0433/5920/7579/files/dalumupidibaxitagemekoxef.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2944/files/82531173011.pdf
- https://cdn.shopify.com/s/files/1/0432/9232/8102/files/zyrtec_adforum_208.pdf
- https://cdn.shopify.com/s/files/1/0432/3501/6863/files/femiju.pdf
- https://cdn.shopify.com/s/files/1/0437/3292/6616/files/animal_miike_snow_mp3.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_off0000cd4c.bin` `d65df50619495800289e31b9b5a27274eb8238330a649f1b32a1aabef918ebb7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD4C	5316 bytes
`font_01_sfnt_off0000df36.bin` `ee9e9fa0c96af3d0b5425141844c2a214e911a3d2018549ff3dd6446910c35e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF36	11272 bytes
`font_02_sfnt_off000105c8.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x105C8	4324 bytes

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