PDF malware analysis — malicious · a847800e8ce7f588

MALICIOUS

PDF

42.3 KB Created: 2020-08-31 07:21:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5f6b6fc73b0e80eb95c3ca6abe32af6f SHA-1: d71d2a963c6d725a1b00b0b66b20f2477857577c SHA-256: a847800e8ce7f588406926e498cca746495b908d16a78b5986d05e8882454341

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/wix?keyword=harlequin+kitaplar%25C4%25B1+indir', is designed to redirect users to potentially harmful content. The PDF also exhibits characteristics of a link farm, embedding numerous external links, many of which point to benign Shopify domains, likely as a tactic to obscure the malicious redirector.

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/wix?keyword=harlequin+kitaplar%25C4%25B1+indir
- https://cdn.shopify.com/s/files/1/0430/8008/9760/files/27256597186.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/lijakitowowirusovivilupeb.pdf
- https://cdn.shopify.com/s/files/1/0434/2795/4853/files/segabobigap.pdf
- https://cdn.shopify.com/s/files/1/0432/9334/3912/files/newipirinajaxefadimiwa.pdf
- https://cdn.shopify.com/s/files/1/0444/3983/0695/files/4688539166.pdf
- https://cdn.shopify.com/s/files/1/0434/0105/2312/files/jikavovagiwiraworipu.pdf
- https://cdn.shopify.com/s/files/1/0428/0814/8127/files/xuzazolanutikivexax.pdf
- https://cdn.shopify.com/s/files/1/0428/8688/9625/files/32336104663.pdf
- https://static.usrfiles.com/ugd/81d6a4_2c39c0851411473fabcf41759052d2d1.pdf
- https://static.usrfiles.com/ugd/b8c837_70397251cb4b4e688b91709fcbc6f7f5.pdf
- https://static.usrfiles.com/ugd/b8c837_115ae9c193484922906247c9ee7ae7dc.pdf
- https://static.usrfiles.com/ugd/2f07a1_95836c4fd35740078e978bfa0e0d06c3.pdf
- https://static.usrfiles.com/ugd/99afdc_886fd5064e814af8ab9ccb31c6344da7.pdf
- https://static.usrfiles.com/ugd/b8c837_070ce2bf6836403db4bed0a752beced0.pdf
- https://static.usrfiles.com/ugd/0cd019_acff1b2fbccf4ab2974d6f5105016ebe.pdf
- https://static.usrfiles.com/ugd/197ed4_7afd12ab155f411f93a0fde0d3d8ff42.pdf
- https://static.usrfiles.com/ugd/3aca14_e10e99bdf05544ad929cbe6b06c8b6ca.pdf
- https://static.usrfiles.com/ugd/0047a4_391a88e62b524e00808f2d8e86c13466.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_off000064a7.bin` `d12a844a07d63ded39acb637e831fd4648cff9642da3bc925ada0c5be7274d01`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64A7	4960 bytes
`font_01_sfnt_off0000758e.bin` `6bac07906b3241528d82f3c017ca33a8f81cc9ea3fe1f5e046f70a89467804f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x758E	11736 bytes

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