PDF malware analysis — malicious · ae03f4719399e68e

MALICIOUS

PDF

73.6 KB Created: 2020-08-18 19:41:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 62542bbea48002578b15894c9b487001 SHA-1: 3779a293435a2a5e9486279c9404c7dd309630ff SHA-256: ae03f4719399e68e3fbf97c712448c8bc8a45392e75f548b2484d50f9424d35d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document body and embedded links suggest a lure related to 'Vlive run bts' to entice users to click the malicious link. The PDF also contains a large number of external links, many hosted on Shopify, which is characteristic of SEO link farm techniques used to distribute malicious content.

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=vlive+run+bts
- http://budikarad.americanindianbandmusic.com/uploads/1/3/0/9/130968917/0ffbcb3f4ee157.pdf
- http://files.cork49gv.com/uploads/1/3/0/7/130775350/7871081.pdf
- https://cdn.shopify.com/s/files/1/0448/5585/3218/files/nirotifipulamewi.pdf
- https://cdn.shopify.com/s/files/1/0431/0908/9434/files/25019007591.pdf
- https://cdn.shopify.com/s/files/1/0430/0813/1233/files/soil_erosion_control_methods.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65925238695.pdf
- https://cdn.shopify.com/s/files/1/0433/8361/9736/files/xupotovomunewupezog.pdf
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/chuyn_file_sang_excel_trc_tuyn.pdf
- https://cdn.shopify.com/s/files/1/0436/8446/2745/files/89309207939.pdf
- https://cdn.shopify.com/s/files/1/0431/0017/6544/files/mokifoduzepaseguwe.pdf
- https://cdn.shopify.com/s/files/1/0430/2068/1377/files/rezobofakegi.pdf
- https://cdn.shopify.com/s/files/1/0429/6799/0438/files/66873985266.pdf
- https://cdn.shopify.com/s/files/1/0434/5374/3270/files/27102580198.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/bivuzotixalop.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_off000092cc.bin` `cf16ddd815ebed3737f0b4e1e9731eb18526b07d619f1ecd94e4b500589ddee0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92CC	23748 bytes
`font_01_sfnt_off0000d72a.bin` `69dae5502fa402dc5538e2681d20cad36c4ab35746a77dfd18349f729a880e52`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD72A	4404 bytes
`font_02_sfnt_off0000e627.bin` `f16e8703dd656fb8b473c34dfe5713020e975f74b1d7defd2513306c671ffc4c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE627	10824 bytes
`font_03_sfnt_off000109fe.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x109FE	4324 bytes

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