PDF malware analysis — malicious · ec996a50f092c783

MALICIOUS

PDF

41.1 KB Created: 2020-08-14 10:28:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 572d0242d0a551c3f726f3fc3e7dea20 SHA-1: 1f6f85ec1f827e86350f47d12b47d9a540a7e0ec SHA-256: ec996a50f092c783f724ab1615c894445995130a7e2d3b92da70002f7f97cbcc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm designed to manipulate search engine results or distribute malicious content. One of these links, https://ttraff.cc/pify?keyword=answering+affidavit+meaning, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this malicious URL and other PDF links, suggesting a lure to a malicious site.

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.cc/pify?keyword=answering+affidavit+meaning
- http://kijid.acerecoverygroup.com/uploads/1/3/0/7/130776088/wimudebilunog-xizofadufizegin.pdf
- http://files.7thheavenwithjo.com/uploads/1/3/1/4/131409309/264ccf18e7.pdf
- http://files.melismata.org/uploads/1/3/0/8/130814003/2078692.pdf
- http://dibas.sataunton.org/uploads/1/3/0/7/130739777/94655b72.pdf
- https://cdn.shopify.com/s/files/1/0434/5869/1232/files/lalepupokogixeze.pdf
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/lalav.pdf
- https://cdn.shopify.com/s/files/1/0440/4012/6614/files/assam_cabinet_minister_list_2020.pdf
- https://cdn.shopify.com/s/files/1/0437/6189/3534/files/25596929917.pdf
- https://cdn.shopify.com/s/files/1/0432/4704/2715/files/fipabesitujamug.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/wogusodonixuwiw.pdf
- https://cdn.shopify.com/s/files/1/0440/2806/7990/files/frame_of_reference_physics.pdf
- https://cdn.shopify.com/s/files/1/0435/4713/2068/files/62076463516.pdf
- https://cdn.shopify.com/s/files/1/0434/2297/4117/files/fonawulok.pdf
- https://cdn.shopify.com/s/files/1/0435/5486/5320/files/rusijutefafelimo.pdf
- https://cdn.shopify.com/s/files/1/0427/9789/1751/files/medomusu.pdf
- https://cdn.shopify.com/s/files/1/0440/3858/6518/files/xofilugupulofawogilal.pdf
- https://cdn.shopify.com/s/files/1/0446/1376/3235/files/anti_tb_drugs_pharmacology.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/noviwuvado.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_off00006187.bin` `0f1d72728453b4f553c005e607b9f4b25847a5b8ffe4319ecb6707e480eae417`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6187	5336 bytes
`font_01_sfnt_off000073aa.bin` `bac0e1692166bd06ef93f7f6a2fdcf950ae2d31240d2350f0531a56654ab242c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x73AA	11052 bytes

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