PDF malware analysis — malicious · 2487763a3b0666e5

MALICIOUS

PDF

47.8 KB Created: 2020-08-25 09:28:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 696a1937e9fc144ec233524c73328f6d SHA-1: dbbe55ce0a7a4ffc2e84f1ca6dc26a7f9b447c96 SHA-256: 2487763a3b0666e5f1c9ded6b24088a94eb810e639d45616dd5a4231dc752b51

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=adblock+for+uc+browser+free'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to Shopify domains. The document body contains obfuscated text that includes the malicious redirector URL, suggesting an attempt to disguise the malicious intent. 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=adblock+for+uc+browser+free
- http://ripijaxoj.christinarjackson.com/uploads/1/3/2/6/132695818/xebijuvolunosorom.pdf
- http://files.wghssoftball.com/uploads/1/3/0/7/130775245/426591.pdf
- http://files.glacialpark.org/uploads/1/3/0/7/130738893/dfb8888f4b6.pdf
- https://cdn.shopify.com/s/files/1/0430/9437/6599/files/79216056625.pdf
- https://cdn.shopify.com/s/files/1/0437/7486/9665/files/arjun_reddy_dialogues_telugu_ringtones.pdf
- https://cdn.shopify.com/s/files/1/0433/9479/3635/files/estados_financieros_ejemplos.pdf
- https://cdn.shopify.com/s/files/1/0461/9124/7511/files/acoustasonic_150_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/7881/8715/files/gekavuposoxiruwizaxiji.pdf
- https://cdn.shopify.com/s/files/1/0430/7307/7409/files/vertex_form_of_a_parabola_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/9417/2058/files/guvoba.pdf
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/12853661002.pdf
- https://cdn.shopify.com/s/files/1/0433/0536/9758/files/24827217428.pdf
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/rujanoma.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/bigo_live_apk_full_version.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_off00005c83.bin` `658656a24f40e8e84c280bb748f74824ca4685851b5de44540ef5cab75285b38`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C83	4736 bytes
`font_01_sfnt_off00006cba.bin` `d0afb7e3b852f71700fccf1f809677e0596aeeab8842de9f4ef365df12c47c26`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CBA	10060 bytes
`font_02_sfnt_off00008f6d.bin` `03928253ee2cb1fef248e02a9a6434000674c6c2dfc7f61f5290e699cd36adc1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F6D	16088 bytes
`font_03_sfnt_off0000a421.bin` `7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA421	4324 bytes

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