PDF malware analysis — malicious · a351cc233b1bcd14

MALICIOUS

PDF

33.8 KB Created: 2020-08-08 16:38:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 77533f0c6e732b5c280d9cc598be758d SHA-1: 43986c097f4d15fd23445087e75f84749989fba4 SHA-256: a351cc233b1bcd144756373fcdf373a7d0533a3362124b3d0eee83dafb4f6adc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a mass external link farm, with a primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a manual for Chamberlain liftmaster professional products, likely a lure to entice users to click the malicious link. The redirector URL is https://ttraff.cc/pify?keyword=chamberlain+liftmaster+professional+manual+pdf, which leads to further malicious infrastructure.

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.cc/pify?keyword=chamberlain+liftmaster+professional+manual+pdf
- http://bamujoved.riverviewrocks.org/uploads/1/3/2/6/132683328/2b1247.pdf
- http://zoleme.aosfb.com/uploads/1/3/2/6/132681670/jubenefujemeduzoj.pdf
- http://saput.footsteps4thefuture.org/uploads/1/3/2/6/132681352/gisewo.pdf
- http://files.salisburypowerwash.com/uploads/1/3/1/0/131070493/petiva.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/96888977804.pdf
- https://cdn.shopify.com/s/files/1/0431/0876/1764/files/the_human_brain_download.pdf
- https://cdn.shopify.com/s/files/1/0433/2086/9019/files/59717349806.pdf
- https://cdn.shopify.com/s/files/1/0431/7010/3452/files/4985352462.pdf
- https://cdn.shopify.com/s/files/1/0436/2141/7122/files/vasuzepipegazu.pdf
- https://cdn.shopify.com/s/files/1/0436/0067/4978/files/vugareduwibubifumatija.pdf
- https://cdn.shopify.com/s/files/1/0434/3519/6566/files/boundaryless_career.pdf
- https://cdn.shopify.com/s/files/1/0430/8280/9508/files/vumarijovufa.pdf
- https://cdn.shopify.com/s/files/1/0434/4443/7142/files/wild_n_out_season_8_episode_9.pdf
- https://cdn.shopify.com/s/files/1/0435/1809/9615/files/dupuwamugefofuwos.pdf
- https://cdn.shopify.com/s/files/1/0429/8031/1203/files/96170826990.pdf
- https://cdn.shopify.com/s/files/1/0431/6345/1560/files/vaputubenedasu.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6586/files/jokinedus.pdf
- https://cdn.shopify.com/s/files/1/0428/9645/7884/files/42596412156.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_off000047aa.bin` `3a1e26bdd546d5771d00aa1a47df2a8540ccdea4ad39cc1a35cde995612b9dcc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x47AA	5324 bytes
`font_01_sfnt_off0000598c.bin` `383fbe9697d78125e76a1d1653bd3ae6b77cb6b7dc54eb1b32f3808082d0ac5d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x598C	9448 bytes

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