PDF malware analysis — malicious · dd597cba353ab0a1

MALICIOUS

PDF

36.7 KB Created: 2020-08-21 09:43:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8c022426aaf5689c91fb0568a5a7419f SHA-1: 8b37d9ea6e7cb888be7e2e9c5c72ba6b24187d41 SHA-256: dd597cba353ab0a1cf25d0f75fea61d1a809ddc6ba5c3031c4958a56525cc364

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, a tactic often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=dancing+queen+choir+sheet+music'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to lure the user into clicking this link. No scripts were extracted, and the file type is PDF, indicating a likely social engineering attack vector.

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=dancing+queen+choir+sheet+music
- http://mukona.bayareaflightinstruction.com/uploads/1/3/0/9/130969690/zakadogamov.pdf
- http://voguvumit.cultureandmovement.com/uploads/1/3/0/7/130775732/lireroxadeboxali.pdf
- http://files.tannerthetford.com/uploads/1/3/0/7/130776327/bifosavafuboke-rufuguwi-borugimupaxubiv.pdf
- http://gezum.fbbgears.com/uploads/1/3/1/3/131379803/3cf9c3a.pdf
- http://dapavote.beechstreetcenter.org/uploads/1/3/0/9/130969472/bipedekari.pdf
- https://cdn.shopify.com/s/files/1/0434/0419/8044/files/69693865301.pdf
- https://cdn.shopify.com/s/files/1/0431/3789/2509/files/d_d_3._0_books.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26384136461.pdf
- https://cdn.shopify.com/s/files/1/0432/3436/1503/files/61360840997.pdf
- https://cdn.shopify.com/s/files/1/0431/0797/5330/files/13448059397.pdf
- https://cdn.shopify.com/s/files/1/0437/4354/3447/files/35887707418.pdf
- https://cdn.shopify.com/s/files/1/0431/9572/8029/files/ti_30x_iis_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/5369/5647/files/sibojogaxisorumepu.pdf
- https://cdn.shopify.com/s/files/1/0432/5205/6227/files/fukavuxefi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13578549785.pdf
- https://cdn.shopify.com/s/files/1/0434/8733/0464/files/80493733061.pdf
- https://cdn.shopify.com/s/files/1/0437/4914/6778/files/surah_al_burooj.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_off000050fc.bin` `9a9b0ea09de9f451e3c76fb57f914fbffdd1d5c64aa939478ff7a7458faa1e8c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x50FC	5308 bytes
`font_01_sfnt_off000062d6.bin` `44607231fdca5a9290bce72eb26c68cbaddf395d3efe9686f3aaa570c1c2f969`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62D6	10248 bytes

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