Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9402d97de6b15f3…

MALICIOUS

PDF

114.0 KB Created: 2020-08-07 15:12:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77096c0f02c6d4a3a847b8b1478bab75 SHA-1: b35980507e8ff6b75dbd9c034c774ed0f9a4fc52 SHA-256: d9402d97de6b15f3c4e123c231f2d4a25aed1199bdcdf254e5e3bb59c7e6d297
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.ru. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The embedded document body, though heavily obfuscated, contains the malicious URL, suggesting the document's primary purpose is to lure the user to this external resource.

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=carbonium+ion+pdf
    • http://files.jeanbarrettpetphotography.com/uploads/1/3/1/3/131381681/nanep_sevixuxazem_degaluxulizot.pdf
    • http://files.metzking.com/uploads/1/3/0/7/130776589/4f6e0d794209c.pdf
    • http://files.scorpionsvolleyball.ca/uploads/1/3/2/8/132814433/zesodawaxuweb_pijajijopigifi_nonopoz.pdf
    • http://files.fenskecreative.com/uploads/1/3/1/3/131398177/bekim.pdf
    • https://cdn.shopify.com/s/files/1/0434/5207/2086/files/51560870002.pdf
    • https://cdn.shopify.com/s/files/1/0430/0655/8359/files/23962015637.pdf
    • https://cdn.shopify.com/s/files/1/0430/7684/5728/files/centos_7_server_guide.pdf
    • https://cdn.shopify.com/s/files/1/0437/7886/7351/files/xijerovuzerememevud.pdf
    • https://cdn.shopify.com/s/files/1/0428/1230/9671/files/12485480134.pdf
    • https://cdn.shopify.com/s/files/1/0430/8752/8103/files/auto_body_repair_tools_and_equipment.pdf
    • https://cdn.shopify.com/s/files/1/0433/0697/5382/files/51901606039.pdf
    • https://cdn.shopify.com/s/files/1/0428/6529/5526/files/bailey_n_love_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/4227/4454/files/50849335087.pdf
    • https://cdn.shopify.com/s/files/1/0432/5372/7394/files/80666680746.pdf
    • https://cdn.shopify.com/s/files/1/0429/2683/3823/files/73301835301.pdf
    • https://cdn.shopify.com/s/files/1/0429/9633/4753/files/bozinor.pdf
    • https://cdn.shopify.com/s/files/1/0432/6152/6179/files/glock_43_manual.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 10

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_011_off00017dbe.bin
cf01bc0f4988446dccedefc74b2e18f75f5a4db52223d49ae4d5ad8e3f5c05f1		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x17DBE 18176 bytes
font_00_sfnt_off0000f918.bin
40ed7a59e93a39a2357a6714e82246a7d8382393c541a7d084f33d2bd6126fa4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF918 5588 bytes
font_01_sfnt_off00010ca8.bin
9e246086141decee8ac18e759fd8c5672cf00e59e2470fb93d81f989a186758e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10CA8 4824 bytes
font_02_sfnt_off00011cde.bin
f5c317e29d21f6c360af503917843933a1c802a0da41345a2d83700b3f495e1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11CDE 4344 bytes
font_03_sfnt_off00012c00.bin
3702365b3034b9d7945da23b991b5e2ac3f8bb06d1ba3be7e5ba1b5d8dd48c9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12C00 2328 bytes
font_04_sfnt_off000136b7.bin
e66bd646ff29f48b94a898642357a1d5295b77faffa0bd70eb77acb4aebc9a97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x136B7 2108 bytes
font_05_sfnt_off00014083.bin
eca62b72654736461a635ba366d09d794777fd95c58152d2b251becdfce657e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14083 6640 bytes
font_06_sfnt_off00015220.bin
11244985ce647660ad5d077bdaff13d4d0c44ec324d874e23c4be80abcb6e247		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15220 13312 bytes
font_08_sfnt_off00019a4e.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19A4E 4324 bytes
font_09_sfnt_off0001a852.bin
3ce00c018a1bde26dd18c7aafb343ce6884836f3d5f15cdd0fe0bd8df0b4d3e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A852 3924 bytes

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