PDF malware analysis — malicious · 4a8c747b3e35deac

MALICIOUS

PDF

89.7 KB Created: 2020-08-05 16:47:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7a43ee5f292bd1c897fbf461cd8d0744 SHA-1: a53b2e518b51b97eaee351591eecb9d990dadf73 SHA-256: 4a8c747b3e35deac2abeb6c788750b118673f03f6d7068eaa1abffb4497a656a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic indicating it's a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL, suggesting the primary intent is to trick the user into visiting this malicious site. The PDF also contains a large number of external links, many hosted on Shopify, which is flagged as a link farm. This suggests a campaign to drive traffic to malicious sites.

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=barefoot+in+the+park+full+script+pdf+free
- http://files.localzak.com/uploads/1/3/1/4/131437454/medepigilipi.pdf
- http://files.lahongsnap.com/uploads/1/3/0/8/130814644/sodapefufexifowig.pdf
- http://files.crossfitchalmette.com/uploads/1/3/0/7/130776861/32825.pdf
- http://files.kymchessall.ca/uploads/1/3/1/6/131636957/9537833.pdf
- https://cdn.shopify.com/s/files/1/0429/6369/7817/files/dagekosividadikofab.pdf
- https://cdn.shopify.com/s/files/1/0435/1036/6362/files/menunoritupozokixa.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7616/files/sozipuzuvusonetogexaxeb.pdf
- https://cdn.shopify.com/s/files/1/0438/7205/9547/files/74941621953.pdf
- https://cdn.shopify.com/s/files/1/0435/9297/4499/files/sublime_albums_download.pdf
- https://cdn.shopify.com/s/files/1/0434/7628/7648/files/45627839165.pdf
- https://cdn.shopify.com/s/files/1/0431/3058/5250/files/76049982193.pdf
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/woboxadezadiponi.pdf
- https://cdn.shopify.com/s/files/1/0434/4951/6199/files/zafiwuzebupumixugomifetan.pdf
- https://cdn.shopify.com/s/files/1/0431/3566/4284/files/quality_assurance_definition.pdf
- https://cdn.shopify.com/s/files/1/0438/3434/3574/files/fortalecer_autoestima_en_adolescentes_pdf.pdf
- https://cdn.shopify.com/s/files/1/0431/6151/8231/files/zavexonilitigivadutopo.pdf
- https://cdn.shopify.com/s/files/1/0434/4394/5622/files/rokusuxawazisabekaritov.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_off00011da7.bin` `dd2e953b2669136e2ee32784a2ce7c1531f76eefb79785863d3cb3bfbc5acecf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11DA7	5356 bytes
`font_01_sfnt_off00012fd9.bin` `fe4e9ecf0c9ccb1534ba393f36fe4276db18ef783544bf2acc8746796d782427`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12FD9	12688 bytes

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