PDF malware analysis — malicious · cb5dd50c3212cc3e

MALICIOUS

PDF

51.3 KB Created: 2020-08-31 09:50:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 60d93a17eaf23ecaca4bcf1578bd42a1 SHA-1: 524d155a7205ac5553672c4213898634071658e1 SHA-256: cb5dd50c3212cc3e1e1fc9715ee401a42cb7fe90d06a2acf5a5ccba5df41a105

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=hotspot+shield+premium+apk+6.9.7'. This URL is likely used to deliver a malicious payload or phish for credentials. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains, though one specific redirector is flagged as malicious. 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.club/wix?keyword=hotspot+shield+premium+apk+6.9.7
- https://cdn.shopify.com/s/files/1/0436/1119/3501/files/www_clickerproducts_com_instructions_klik2.pdf
- https://cdn.shopify.com/s/files/1/0427/9150/1990/files/geruvasif.pdf
- https://cdn.shopify.com/s/files/1/0461/9852/2014/files/theme_powerpoint_free_2013.pdf
- https://static.usrfiles.com/ugd/764aaa_589fb891c69248d08c12d2e30dff517f.pdf
- https://static.usrfiles.com/ugd/ec0c41_ad5c44135d724656a7f05267090baf51.pdf
- https://static.usrfiles.com/ugd/99afdc_0062deac0bef4c61ac4db969f2b3388c.pdf
- https://static.usrfiles.com/ugd/b8c837_b822286d2aa142f49455f67b8496307b.pdf
- https://cdn.shopify.com/s/files/1/0430/3493/5447/files/45381673547.pdf
- https://cdn.shopify.com/s/files/1/0433/8358/6977/files/gexelebek.pdf
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/86538019012.pdf
- https://cdn.shopify.com/s/files/1/0427/4293/9814/files/padibabumokusaduvok.pdf
- https://static.usrfiles.com/ugd/0bcf16_778db3e508184e9da370f233c8a664ee.pdf
- https://static.usrfiles.com/ugd/b8c837_6c876b4e6dfa42109530a7bcebf56133.pdf
- https://static.usrfiles.com/ugd/accd1f_b521f4dbda924ad58a26d35547163ca8.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_off00006bad.bin` `8c644d3037c38acc116e05cb2005aa3b1f17d4e2f27c35e04d8d666a696bdf07`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BAD	5644 bytes
`font_01_sfnt_off00007eb4.bin` `51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EB4	1800 bytes
`font_02_sfnt_off00008742.bin` `de022efc1eb5bd62e3e84ff6d9e0f37985a15ecc1201cbd4bb6ac9f21d449aac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8742	10228 bytes
`font_03_sfnt_off0000aa78.bin` `39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAA78	16092 bytes

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