Malicious PDF — malware analysis report

Static analysis result for SHA-256 d513656832f19d9b…

MALICIOUS

PDF

61.4 KB Created: 2020-08-30 15:57:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60d67fff543dc536e0360f85f01fe9c4 SHA-1: b1a4050ecfa8d143add2d3890be14c749ae321c5 SHA-256: d513656832f19d9b81780c34a1050e5655a4b0166e0fe381533ffba2615cdb8c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text suggesting a lure related to streaming a movie, which aligns with the malicious redirector link found. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further 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.ru/wix?keyword=shutter+island+streaming+vf+hd
    • https://static.usrfiles.com/ugd/b8c837_bf8faf203b3b44e8aa36eb87042d965f.pdf
    • https://static.usrfiles.com/ugd/b8c837_3ba279458667455ebbb32874e2a526c4.pdf
    • https://static.usrfiles.com/ugd/0fdb6d_ed0747f1bb4e4067b50e9b14a21ac954.pdf
    • https://static.usrfiles.com/ugd/4826f5_7f37d24bde364711b2acf4ba33023e40.pdf
    • https://cdn.shopify.com/s/files/1/0438/3539/2150/files/56805554392.pdf
    • https://cdn.shopify.com/s/files/1/0434/4938/5126/files/87372183266.pdf
    • https://cdn.shopify.com/s/files/1/0434/8103/9013/files/sivimizowuluxogaberide.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nosisuzamozozi.pdf
    • https://static.usrfiles.com/ugd/3e5d97_1057efde4ea54f758c52678cf2bdffd5.pdf
    • https://static.usrfiles.com/ugd/0ebc1f_9be02299cc654bb296f85267fcd2cd6d.pdf
    • https://static.usrfiles.com/ugd/455f95_207902dcd4da4b78a8c2e22e03c84fc4.pdf
    • https://static.usrfiles.com/ugd/cfa91a_fc99e77ed1c74d28bdd7989c4412bd1c.pdf
    • https://cdn.shopify.com/s/files/1/0432/7004/5864/files/d_d_descent_into_avernus.pdf
    • https://cdn.shopify.com/s/files/1/0432/6303/3507/files/33058045026.pdf
    • https://cdn.shopify.com/s/files/1/0459/9267/3437/files/jquery_in_action_4th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0440/4215/8245/files/49328253076.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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066a7.bin
174c20ee6b6c7204080069b4ecc896dd81e83f4f05a6d9ad885dccc5024d92ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66A7 5256 bytes
font_01_sfnt_off0000784a.bin
93f5b763f923249fe068fd999942be7b9a7ed08c5f7a19217ff4905360772f69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x784A 6348 bytes
font_02_sfnt_off000088de.bin
7d872711837b50d6fe961b1c1ef7678ad9174ae03042c4381e259ab18135987b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88DE 16092 bytes
font_03_sfnt_off0000b8b5.bin
532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB8B5 16204 bytes
font_04_sfnt_off0000cde5.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCDE5 4324 bytes
font_05_sfnt_off0000dbe6.bin
46eef2c8aac791f2fd11a9a5e9e5a988f30313ab9ae4d4232822c1cd8e2b846a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDBE6 2724 bytes

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