PDF malware analysis — malicious · a0717b5dbdeff944

MALICIOUS

PDF

59.3 KB Created: 2020-08-19 00:52:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7d262e9bd4e074c6bffc3e77a422fbdf SHA-1: 2e6f052a1008fef678fd74a0286dc0104576b96f SHA-256: a0717b5dbdeff9440be6db20c6dff77d6de9cc03b3b402dd3474289869edf652

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a critical redirector link pointing to 'https://ttraff.ru/pify?keyword=bungou+stray+dogs+mayoi+inu+kaikitan+apk'. This indicates the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. The presence of numerous benign-looking Shopify links is a common tactic to mask the malicious redirector. 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.ru/pify?keyword=bungou+stray+dogs+mayoi+inu+kaikitan+apk
- http://tupobajek.slavicamericanfestival.com/uploads/1/3/1/8/131871581/165534.pdf
- http://files.emmamurphyrecorders.org/uploads/1/3/0/9/130969334/7696175.pdf
- http://sigime.cindyveach.com/uploads/1/3/1/3/131398091/rejejijenubuvav.pdf
- http://nejan.yathuhospice.org/uploads/1/3/1/4/131407592/a10f87d229.pdf
- https://cdn.shopify.com/s/files/1/0433/1424/9886/files/application_of_automata_theory_in_computer_science.pdf
- https://cdn.shopify.com/s/files/1/0432/3767/1080/files/microwave_spectroscopy_applications.pdf
- https://cdn.shopify.com/s/files/1/0435/3127/2346/files/winopafunajobimoliranelad.pdf
- https://cdn.shopify.com/s/files/1/0429/0176/6310/files/33881650772.pdf
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/bolt_movie_in_isaimini.pdf
- https://cdn.shopify.com/s/files/1/0439/1328/1688/files/84856401392.pdf
- https://cdn.shopify.com/s/files/1/0434/4568/2332/files/basel_convention_1989.pdf
- https://cdn.shopify.com/s/files/1/0439/6518/6206/files/kiwozunemulila.pdf
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/gojiwugagowazokirenu.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005d2e.bin` `ad7651e8332479c0d14791b7b16ea82818e79ebf4fc1b34a4effba30934f04d2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D2E	16924 bytes
`font_01_sfnt_off00009181.bin` `e88704e199cd785e42eea1d78b3f6bc0a9445deab72583c7ea0f1955c94171cf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9181	5460 bytes
`font_02_sfnt_off0000a40e.bin` `7b2738750c20c2a1ec7bd5a7062b072a7c3d376ff4e91b9eb3c7b85883a216f7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA40E	10356 bytes
`font_03_sfnt_off0000c7c6.bin` `8d57d122366724445bf07d6ef828acd2abcfbe04cb2fd26850d6ded1dccd13c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC7C6	16376 bytes

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