PDF malware analysis — malicious · 1b8a6abe4d786015

MALICIOUS

PDF

46.6 KB Created: 2020-07-28 04:19:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4ee9d6e3638fcfe602a7ca3e63721c7b SHA-1: e0c362bdec04aac8a94a035f814d20c6fa270226 SHA-256: 1b8a6abe4d78601564629d6f71cbbb300bd394ed0a8c219ac6000c303e248b39

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with one critical heuristic identifying it as a malicious redirector. The primary malicious URL, 'https://ttraff.ru/pify?keyword=historia+de+las+brujas+pdf', is a redirector designed to lead users to further malicious content. The document body, though heavily obfuscated, suggests a lure related to 'Historia de las brujas pdf'. The presence of a large number of external links, many hosted on Shopify, indicates a link farm used for SEO poisoning or distributing malicious content.

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.ru/pify?keyword=historia+de+las+brujas+pdf
- http://files.deborahrhouston.com/uploads/1/3/2/7/132740606/rubulifiwupi_dudozolewen.pdf
- http://files.towardharmonywithnature.org/uploads/1/3/2/7/132710782/tujisulamalerum-latejufirori.pdf
- http://files.mindfulkidsla.com/uploads/1/3/0/7/130776619/nunemefit.pdf
- http://files.starfrappefranchise.com/uploads/1/3/0/7/130740513/xadetixuf.pdf
- http://files.sunmicrosphere.com/uploads/1/3/0/8/130814874/7798197.pdf
- http://files.sunmicrosphere.com/uploads/1/3/0/8/130814874/77
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zijilo.pdf
- https://cdn.shopify.com/s/files/1/0430/8933/0325/files/8418566796.pdf
- https://cdn.shopify.com/s/files/1/0437/1241/3851/files/81774169573.pdf
- https://cdn.shopify.com/s/files/1/0433/1814/9285/files/48054903254.pdf
- https://cdn.shopify.com/s/files/1/0431/3707/3314/files/9329958213.pdf
- https://cdn.shopify.com/s/files/1/0428/1496/3868/files/gufefivilanepotozijijafik.pdf
- https://cdn.shopify.com/s/files/1/0439/7305/0526/files/86951047704.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8758/files/29287890261.pdf
- https://cdn.shopify.com/s/files/1/0428/0310/1863/files/24924338128.pdf
- https://cdn.shopify.com/s/files/1/0433/8748/6358/files/17495939465.pdf
- https://cdn.shopify.com/s/files/1/0436/2931/4206/files/64670057700.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_off00006b80.bin` `bf0d6ab30bc0381b1e6d73c5ceac8ad01e5f91e3b7f439bd0969e68e883f2732`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B80	4988 bytes
`font_01_sfnt_off00007c82.bin` `0564b54996c23b887270247e64d6eaeab5aab3009da37c223572b3e34607abd6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C82	15532 bytes

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