PDF malware analysis — malicious · 26cf1ae286873daa

MALICIOUS

PDF

48.0 KB Created: 2020-09-02 01:10:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 584921f64538b0d4699e98f280646467 SHA-1: f0f55300785ebdcefc22821a11c7f121b60972fb SHA-256: 26cf1ae286873daaa49a2ca74fdb93be00f329d2d0aa08d9c2834e3b50372fb4

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of these links, https://ttraff.club/wix?keyword=arise+platform+jobs, is identified as a malicious redirector. The document body, though heavily obfuscated, contains the same lure text and URLs, indicating an attempt to drive traffic to malicious sites under the guise of job opportunities.

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.club/wix?keyword=arise+platform+jobs
- https://cdn.shopify.com/s/files/1/0432/0811/4340/files/xibeg.pdf
- https://cdn.shopify.com/s/files/1/0430/8677/4436/files/58390455382.pdf
- https://cdn.shopify.com/s/files/1/0460/1970/7047/files/free_bitlocker_for_windows_10_home.pdf
- https://cdn.shopify.com/s/files/1/0431/6971/0242/files/kamina_nuances_amazon.pdf
- https://cdn.shopify.com/s/files/1/0436/9671/7992/files/early_childhood_education_in_canada.pdf
- https://cdn.shopify.com/s/files/1/0469/0522/9474/files/65706145512.pdf
- https://cdn.shopify.com/s/files/1/0438/5023/6054/files/79641019396.pdf
- https://static.usrfiles.com/ugd/b8c837_1b4078be1ad94920a9a9c9a07c1541c3.pdf
- https://static.usrfiles.com/ugd/32acb1_91fd7bd2d1b64e22818ae2454e10fd6c.pdf
- https://static.usrfiles.com/ugd/b8c837_5534b1fd798b4bd2ab91d8ec39330eb0.pdf
- https://static.usrfiles.com/ugd/b8c837_11a53feb3f1d4891977363a9b9ba0a44.pdf
- https://static.usrfiles.com/ugd/b8c837_c8bb3b6efe8d4c31b864064d81324398.pdf
- https://static.usrfiles.com/ugd/b41a9a_cc17ebd65ea94167a8351be2a1f0af11.pdf
- https://static.usrfiles.com/ugd/e5412a_a72c4efd01044aba88a88c36d11e324a.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_off0000601b.bin` `8351893f42797e83acd7cae136efde75abfe1c9095c8252a3a9ac9bf04fdedd9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x601B	4936 bytes
`font_01_sfnt_off000070cd.bin` `b7c22c7c1b3398dcadce328404d24fd37016cf55ed7b85d42c15a0e08976690a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70CD	6620 bytes
`font_02_sfnt_off0000825a.bin` `847fe4262a711d2b0b11f9ab0846d7033dfff97ab449afb2ceb4397591ea9d60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x825A	10120 bytes
`font_03_sfnt_off0000a4f3.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA4F3	4324 bytes

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