PDF malware analysis — malicious · e94f4e544fbc2e91

MALICIOUS

PDF

53.3 KB Created: 2020-07-24 13:24:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6de65a8a8371781569371ed6198b5bd6 SHA-1: 181e2db576767ceb54c7bfa32cfb2028926926d9 SHA-256: e94f4e544fbc2e915e745051a69c25faf5089bb52b1a03daaacab37fab3359ad

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to an academic topic. The presence of numerous external links suggests a link farm or redirection strategy to distribute 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.cc/wb?keyword=educational%20philosophy%20of%20rabindranath%20tagore%20pdf
- http://files.yourlovespells.com/uploads/1/3/0/8/130813829/1371723.pdf
- http://files.shueyvillechurch.org/uploads/1/3/0/7/130740524/7988078.pdf
- http://files.farmacybotanical.com/uploads/1/3/2/3/132302973/xutitogesafa-lixoreriberexik-larowuwonubola.pdf
- http://files.idahocivilwarvolunteers.org/uploads/1/3/0/7/130739274/nasepevizagu_fevutajuzu_diwetavid_nalixese.pdf
- http://files.tokillacoyote.com/uploads/1/3/1/1/131163761/b6614842df.pdf
- http://files.farmacybotanical.com/up
- https://cdn.shopify.com/s/files/1/0427/8976/5276/files/7073624941.pdf
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/zunedeturakogatuzidejegu.pdf
- https://cdn.shopify.com/s/files/1/0435/4595/2408/files/96958373825.pdf
- https://cdn.shopify.com/s/files/1/0435/1839/4523/files/44642423722.pdf
- https://cdn.shopify.com/s/files/1/0431/5938/8320/files/minepedisekujed.pdf
- https://cdn.shopify.com/s/files/1/0431/5768/4385/files/kopimo.pdf
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/xosadapepu.pdf
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/3676752988.pdf
- https://cdn.shopify.com/s/files/1/0429/8620/9439/files/sinotarisojamuzegowebiz.pdf
- https://cdn.shopify.com/s/files/1/0431/7760/7324/files/25041519062.pdf
- https://cdn.shopify.com/s/files/1/0433/5281/7832/files/dukeredameganiju.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kiwovanigefuminif.pdf
- https://cdn.shopify.com/s/files/1/0427/8992/9116/files/40574250335.pdf
- https://cdn.shopify.com/s/files/1/0436/6345/8457/files/41502993724.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_off0000937f.bin` `2f87275afe37bfa8cc3182755a740640f966024d1ac8344b2faddb1e4a9e20de`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x937F	5496 bytes
`font_01_sfnt_off0000a624.bin` `9e50ea5834955eef40c65bd5d5dadd6684c8c01e3e31e76ab1832b1cbf880ce6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA624	9760 bytes

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