PDF malware analysis — malicious · 9f143b1a08466657

MALICIOUS

PDF

48.6 KB Created: 2020-07-27 15:46:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e225f40bce82b465f53750b91fcd82e8 SHA-1: 6770c194243ecf3500d408daf400a6f511b46020 SHA-256: 9f143b1a08466657ea9474f5b41d012bbd459d2294c4f551662c736b6459f035

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to sheet music, suggesting a lure. The presence of a 'download button' heuristic further supports a malicious workflow aimed at directing users to external, potentially harmful, content.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=adagio+in+g+minor+sheet+music+orchestra
- http://files.jrtimassagetherapy.com/uploads/1/3/0/8/130814065/xikamaxima-rajojezizo-fozofer-mirowezigoj.pdf
- http://files.thatfunnyshow.com/uploads/1/3/2/3/132302888/jorixi.pdf
- http://files.nicklasart.com/uploads/1/3/2/3/132302998/1367025.pdf
- https://cdn.shopify.com/s/files/1/0428/1984/6311/files/75900215868.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dewubi.pdf
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/81929244151.pdf
- https://cdn.shopify.com/s/files/1/0435/0869/5200/files/34755724937.pdf
- https://cdn.shopify.com/s/files/1/0433/0972/7912/files/29425601021.pdf
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/simebavu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/75815848510.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8709/files/wipuzisubizakepofudasib.pdf
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/gopazosobuv.pdf
- https://cdn.shopify.com/s/files/1/0436/4769/7049/files/9506146316.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.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/1/0433/0972/7912/files/2

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007818.bin` `c727257b9bef3cd77b835bf0160bb196020d15998db333e43ae1ebc45d4af724`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7818	5192 bytes
`font_01_sfnt_off00008985.bin` `a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8985	1800 bytes
`font_02_sfnt_off00009212.bin` `335ef9f6e79ab75cac26dc3b5b9b67c5d06b4d58c5b9116d50da5d83b7e6f11f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9212	10224 bytes

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