PDF malware analysis — malicious · 4d0fadb376cdbc7c

MALICIOUS

PDF

47.0 KB Created: 2020-08-07 14:23:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8fba91f65f6185d17ebe3cb9380780d3 SHA-1: faf026b7b12a158e4baeb8aa816eff8af68aceb2 SHA-256: 4d0fadb376cdbc7c68332cfa65f41c4b3962c4fd0467b3605a3e0bebcd061b93

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=angularjs+pdf+viewer+base64'. Additionally, it exhibits a PDF link farm heuristic, with numerous links to Shopify domains, suggesting an attempt to manipulate search engine results or distribute content. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing its malicious intent. No scripts were extracted from this sample.

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=angularjs+pdf+viewer+base64
- http://files.bullardbasketball.com/uploads/1/3/0/7/130739802/6567a68e1583565.pdf
- http://xawofu.beachcitiesrockclub.com/uploads/1/3/2/8/132814476/e45eb7ad2c0827.pdf
- http://files.cmjwny.org/uploads/1/3/1/3/131380482/dizitix.pdf
- http://files.unconventionals.org/uploads/1/3/0/7/130775633/9541958.pdf
- http://files.nicolaanne.com/uploads/1/3/2/8/132814136/gatepujow.pdf
- https://cdn.shopify.com/s/files/1/0433/9272/9246/files/58701941454.pdf
- https://cdn.shopify.com/s/files/1/0436/0182/1859/files/mubisuxavozafox.pdf
- https://cdn.shopify.com/s/files/1/0433/1700/2405/files/39558951874.pdf
- https://cdn.shopify.com/s/files/1/0428/6382/0959/files/54739048963.pdf
- https://cdn.shopify.com/s/files/1/0429/1470/9663/files/95770583850.pdf
- https://cdn.shopify.com/s/files/1/0433/9892/2392/files/vavefa.pdf
- https://cdn.shopify.com/s/files/1/0432/3350/9534/files/gameboy_advance_sp_case.pdf
- https://cdn.shopify.com/s/files/1/0431/2642/3701/files/kodefomipodapige.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/32247090087.pdf
- https://cdn.shopify.com/s/files/1/0441/1890/0888/files/bsc_1st_year_math_book_download.pdf
- https://cdn.shopify.com/s/files/1/0431/5391/6053/files/wordly_wise_book_6_lesson_15.pdf
- https://cdn.shopify.com/s/files/1/0433/5766/7487/files/fudeguboxilimine.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/
- https://cdn.shopify.com/s/files/1/0431/2642/3701/files/kodefomipodapige

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000066a4.bin` `e655a068ca4a0007fbfb504fee7d09ae1a4b6dc19fd2324af9970cee0058f8f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66A4	5808 bytes
`font_01_sfnt_off00007a9a.bin` `e101db32d6fbf2b8b221ad764761292c51353a4ad7eb0366501eb206c2162f72`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A9A	16756 bytes

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