PDF malware analysis — malicious · 4e3142e62624ab95

MALICIOUS

PDF

57.7 KB Created: 2020-09-01 13:59:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 236c9603457733b74e3827ffe554eb46 SHA-1: ff51f7267baac02713783b326a740ead3d017af7 SHA-256: 4e3142e62624ab9503c2f63dcd34e1d81213f397d5aee938d83e65dc9156a93a

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm designed to distribute SEO-optimized content. One of the primary links directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'free inventory management templates in excel', suggesting a lure to entice users to click the malicious link.

Heuristics 4

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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/wix?keyword=free+inventory+management+templates+in+excel
- https://cdn.shopify.com/s/files/1/0435/7878/5951/files/vuken.pdf
- https://cdn.shopify.com/s/files/1/0434/7333/8533/files/vinebamamipibisisixonoxe.pdf
- https://cdn.shopify.com/s/files/1/0428/1804/4063/files/alarm_app_now.pdf
- https://cdn.shopify.com/s/files/1/0438/3175/4902/files/gelunenaw.pdf
- https://cdn.shopify.com/s/files/1/0435/9100/8418/files/tejeke.pdf
- https://static.usrfiles.com/ugd/b8c837_3c7a8624810c4fc7b5cca814b49d31e9.pdf
- https://static.usrfiles.com/ugd/b8c837_0cd9aa6b21b14e98aed75f44e3f86962.pdf
- https://static.usrfiles.com/ugd/0adedf_8ae808b6356a44e88832fd47faeb07c6.pdf
- https://static.usrfiles.com/ugd/b8c837_c25b15601d124abfb2b9eb54f6c69edb.pdf
- https://static.usrfiles.com/ugd/d902bb_0974e2aea6cf4f5887c63002c65607eb.pdf
- https://static.usrfiles.com/ugd/ec0c41_4a00c82ae9884b07bf5c41a7cf72a17f.pdf
- https://static.usrfiles.com/ugd/67f5f7_edae88899f7a49bd99a513b5db9eee89.pdf
- https://static.usrfiles.com/ugd/b8c837_32975b8428db4debb5f0b5f227053f85.pdf
- https://static.usrfiles.com/ugd/7ea8bb_7398d8ceeb9540078082c5c20e5075aa.pdf
- https://static.usrfiles.com/ugd/909b15_3f6b7418f563430cafd3162b9e4c5418.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000954c.bin` `daace0f6a0a2002040007026b9ac8397758c0d4f9d02baf6d74de76cda55cde4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x954C	5224 bytes
`font_01_sfnt_off0000a709.bin` `35bb5ad3a9db930b8962d26f308e5574c5125b4d6e5af286cd4348eda6b84dfb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA709	10660 bytes
`font_02_sfnt_off0000cb7f.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCB7F	4324 bytes

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