PDF malware analysis — malicious · 7e6f4b9e62229ffc

MALICIOUS

PDF

33.7 KB Created: 2020-08-19 22:29:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 70d3de611371140328a30ffe3921f004 SHA-1: 1385e25b7896c2ad41378cc7995d316350331242 SHA-256: 7e6f4b9e62229ffc67f14792b13d2465952d660902ab767178ac23baa7318873

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=angsana+new+regular+font+free'. Another critical heuristic identified a PDF link farm, with many links pointing to shopify.com domains, suggesting an attempt to obscure the true malicious destination. The document body, though heavily obfuscated, contains references to the redirector and other PDF files, reinforcing the lure. The primary attack pattern involves directing users to 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.com/pify?keyword=angsana+new+regular+font+free
- http://files.lahainaswimclub.com/uploads/1/3/1/3/131380733/5122038.pdf
- http://nazis.thetsimbalist.com/uploads/1/3/1/1/131164243/jolazodutudalunodeki.pdf
- https://cdn.shopify.com/s/files/1/0431/3582/8124/files/tikisexug.pdf
- https://cdn.shopify.com/s/files/1/0430/8900/2650/files/flowchart_diagram_examples_template_word.pdf
- https://cdn.shopify.com/s/files/1/0430/7124/2391/files/61060679612.pdf
- https://cdn.shopify.com/s/files/1/0428/5746/3971/files/charlie_puth_how_long_album.pdf
- https://cdn.shopify.com/s/files/1/0432/2240/1192/files/nawafug.pdf
- https://cdn.shopify.com/s/files/1/0427/7751/0055/files/magic_of_incarnum.pdf
- https://cdn.shopify.com/s/files/1/0435/6558/0437/files/powerboss_pressure_washer.pdf
- https://cdn.shopify.com/s/files/1/0433/7713/1683/files/compress_file_size.pdf
- https://cdn.shopify.com/s/files/1/0434/1681/3735/files/chilton_auto_repair_manual_free.pdf
- https://cdn.shopify.com/s/files/1/0433/1814/9285/files/78399215354.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/wogokobenetejomonebuvawem.pdf
- https://cdn.shopify.com/s/files/1/0437/5180/0981/files/rojezozinimaraliwisexemij.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/optifine_minecraft_forums.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_off000047dd.bin` `eb7fe0950465d3c9fc19d8e8949c9e0f281b183538e6ca9d6af0dc2d505bf102`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x47DD	5016 bytes
`font_01_sfnt_off0000590e.bin` `4f790fbe17a565ec9d189adea3bccf7329ca12ba16ed5480af5f843d1464eed4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x590E	9748 bytes

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