PDF malware analysis — malicious · 2d70848ab41f7978

MALICIOUS

PDF

39.7 KB Created: 2020-08-30 06:21:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: fe4afc645f47e389982f9cb428507a0d SHA-1: 789a1e7fbe0d9a7879ad4cacdae517a416c8a473 SHA-256: 2d70848ab41f7978b718ae09f51d6d919e8c0e10d26a598b80b09b68473db3b4

160 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link T1566.002 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=hp+wireless+configuration+download'. This URL is presented to the user as a lure for downloading a configuration file. The document also contains a large number of links to other PDFs, suggesting a link farm, and a heuristic indicating a social engineering attack that instructs the user to run commands, consistent with bypassing macro restrictions.

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.
ClickFix social engineering attack high SE_CLICKFIX

Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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/wix?keyword=hp+wireless+configuration+download
- https://cdn.shopify.com/s/files/1/0435/3789/1477/files/jutamipasiritisag.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5280/files/pemofazabeminuxaxemoz.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3458/files/gimimaxopejivujud.pdf
- https://static.usrfiles.com/ugd/432b07_44c700bd2ede44ce96889dbf41e46a6e.pdf
- https://static.usrfiles.com/ugd/b7082a_247098bb7dd44c4cb76a98084c4df666.pdf
- https://static.usrfiles.com/ugd/b8c837_dabb7927e65f4899bdf36d9ed1eb8f3b.pdf
- https://static.usrfiles.com/ugd/b8c837_7963a5d28ff3418eb938050d1d49058c.pdf
- https://static.usrfiles.com/ugd/b8c837_1952d86bb04c49bdba0097c72be3f467.pdf
- https://static.usrfiles.com/ugd/493135_bbb97177c85740c7970d8c8c45c4a56f.pdf
- https://static.usrfiles.com/ugd/c068f8_ee70c686cce748caa6c230a0150c77a7.pdf
- https://static.usrfiles.com/ugd/289c5e_eae7dac0b11d408c92475af95d66d678.pdf
- https://static.usrfiles.com/ugd/b8c837_eef65faab57c451da30947b4172d077f.pdf
- https://static.usrfiles.com/ugd/b8c837_24f7d0fef4b5417e9c7205c9f62d74ad.pdf
- https://static.usrfiles.com/ugd/6846fe_d8ca98909cde4ba3ada8cb04850b48dc.pdf
- https://static.usrfiles.com/ugd/b8c837_729f1392a6704275a923f1451ad5518e.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_off00005bde.bin` `e5432c1ac82b1aae3059e2e4aff7101d333c85f02405e8b9615d69bb5197771e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5BDE	5376 bytes
`font_01_sfnt_off00006e3f.bin` `7440bbd7297ebd806d16564c2316cfa0ad9aeb74d73976dd012ca54980b5817d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E3F	10368 bytes

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