PDF malware analysis — malicious · d7b7c1d06c932705

MALICIOUS

PDF

43.4 KB Created: 2020-08-08 08:50:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 84b8f64d3ae8c0f360823fd05d1a35e8 SHA-1: 6d31e681d25a1daae2fe1fbb381c6e14dff89b38 SHA-256: d7b7c1d06c9327058195eef59f43c3017d7f0a22455d10a56e9fca5299029e00

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=advantages+and+disadvantage+of+internet+pdf'. This URL is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, also contains this URL and numerous other links, many hosted on cdn.shopify.com, suggesting a link farm or redirection strategy. The primary attack pattern is social engineering through a deceptive document.

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=advantages+and+disadvantage+of+internet+pdf
- http://dezima.vipwoodenpens.com/uploads/1/3/1/0/131069839/3921818.pdf
- http://files.pilotmissionarybaptistchurch.org/uploads/1/3/1/3/131381614/3924811.pdf
- http://files.doverashop.com/uploads/1/3/1/8/131872178/wekisonisopenasusesa.pdf
- http://dusutivi.andygibsontv.com/uploads/1/3/0/8/130874284/5579651.pdf
- https://cdn.shopify.com/s/files/1/0431/5951/9387/files/79698577949.pdf
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/84434726664.pdf
- https://cdn.shopify.com/s/files/1/0434/6898/0377/files/tovopeporaralefide.pdf
- https://cdn.shopify.com/s/files/1/0429/3135/5807/files/52761823195.pdf
- https://cdn.shopify.com/s/files/1/0433/9780/8285/files/27696448914.pdf
- https://cdn.shopify.com/s/files/1/0438/0088/7457/files/pibuligaxosazoxike.pdf
- https://cdn.shopify.com/s/files/1/0436/9635/7530/files/84831919754.pdf
- https://cdn.shopify.com/s/files/1/0432/5317/0334/files/images_of_keys.pdf
- https://cdn.shopify.com/s/files/1/0431/9405/6861/files/11744207951.pdf
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/dozexojikaji.pdf
- https://cdn.shopify.com/s/files/1/0434/5269/4680/files/dikapu.pdf
- https://cdn.shopify.com/s/files/1/0437/9358/0189/files/moxamivevusuzadifuvepepon.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/list_of_african_countries_and_their_capitals_and_currencies.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/
- https://cdn.shopify.com/s/files/1/0432/5317/03

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006ae4.bin` `a6436f421b68c7980f2a75869aba2016fc93b004d7855f4518e42a4594ec3a85`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AE4	5228 bytes
`font_01_sfnt_off00007cc9.bin` `3dade7515df8173282bd16f98d365326e34c3e26cc75e60be46f98d134dd2c2a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CC9	10340 bytes

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