PDF malware analysis — malicious · a15c9a1646e34a26

MALICIOUS

PDF

40.3 KB Created: 2020-08-11 22:59:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 53b5fb2fb940299e1af51ace8c41d3bc SHA-1: b49fe848ba8e246a1c0e94a665bf10ee0db07f93 SHA-256: a15c9a1646e34a265515ae2aa710df8a4078a6a142181933acc9b7eabec8579e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm designed to appear as search results for a book download, but the primary link redirects to a malicious domain. This indicates a social engineering tactic to trick users into clicking a malicious link. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure.

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.ru/pify?keyword=catechism+of+the+catholic+church+book+pdf+download
- http://files.forgetmenotdesign.store/uploads/1/3/0/7/130775958/9015118.pdf
- http://files.europacoffeeshop.com/uploads/1/3/0/7/130775998/b8384.pdf
- http://files.virginianaildesignsllc.com/uploads/1/3/1/4/131437296/telage.pdf
- http://files.mrskenny.com/uploads/1/3/0/7/130739377/4593132.pdf
- http://files.jaybauman.com/uploads/1/3/2/6/132681587/6107540.pdf
- https://cdn.shopify.com/s/files/1/0432/3531/1775/files/37358202184.pdf
- https://cdn.shopify.com/s/files/1/0438/2670/8637/files/lobatiz.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/digoxokonexekapexolo.pdf
- https://cdn.shopify.com/s/files/1/0428/0100/4707/files/urticaria_cronica_causas.pdf
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/55486856422.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/39671225646.pdf
- https://cdn.shopify.com/s/files/1/0437/4183/9514/files/introduction_to_thermal_physics_schroeder.pdf
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/volvo_xc90_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0440/4091/3046/files/bachianas_brasileiras_no._5_from_villa_lobos.pdf
- https://cdn.shopify.com/s/files/1/0430/7910/6724/files/xivokanesu.pdf
- https://cdn.shopify.com/s/files/1/0427/7937/7830/files/28282251991.pdf
- https://cdn.shopify.com/s/files/1/0437/4754/1146/files/lejiwakogi.pdf
- https://cdn.shopify.com/s/files/1/0428/9550/7622/files/logusivoxenanusodun.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/suvanu.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/1/0428/7243/8947/f

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000058cb.bin` `e7618bcf7239bdb94b8aa521cb5a416db2e11bd16f0eb5d0dc21552493fd7edc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x58CB	5596 bytes
`font_01_sfnt_off00006bb7.bin` `b9aa144914a94938093456f0af21ae0f750f8a7d4fd34c08ddb47b127055aa3b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BB7	12540 bytes

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