Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb2f1097c58a6951…

MALICIOUS

PDF

75.7 KB Created: 2020-08-16 21:33:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c703f1817858fce5ed6bc26092f812d SHA-1: 3ce77bcfcbd030de62c806546c40655aa19ed635 SHA-256: eb2f1097c58a6951b81b60a33ea92e09bbee3d5451fc68b37b4cb88c59d392da
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that points to a URL designed to trick users into downloading content. The document body, though heavily obfuscated, contains text related to downloading a biblical commentary, aligning with the malicious redirector's keyword. The PDF also hosts a large number of external links, many pointing to Shopify domains, likely as part of a link farm to improve SEO for 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.cc/pify?keyword=descargar+comentario+biblico+adventista+apk
    • http://files.lessonwowfactor.com/uploads/1/3/1/3/131398504/9c64b.pdf
    • http://files.heartitudeartsoul.com/uploads/1/3/1/1/131164538/5483345.pdf
    • http://files.sobellkarate.com/uploads/1/3/1/3/131380177/3475802.pdf
    • http://bekak.talklife.com/uploads/1/3/1/6/131606343/bejurazur.pdf
    • https://cdn.shopify.com/s/files/1/0429/5340/8675/files/gmat_reading_comprehension_practice_test.pdf
    • https://cdn.shopify.com/s/files/1/0433/7506/7294/files/faxilatinobufovakasojipi.pdf
    • https://cdn.shopify.com/s/files/1/0434/6127/9896/files/69965521843.pdf
    • https://cdn.shopify.com/s/files/1/0437/5799/4138/files/vuxabezinovi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8038/4674/files/36003926318.pdf
    • https://cdn.shopify.com/s/files/1/0433/1572/4443/files/42528968153.pdf
    • https://cdn.shopify.com/s/files/1/0434/5469/3529/files/dokarakujunikenag.pdf
    • https://cdn.shopify.com/s/files/1/0429/8866/7034/files/79349905182.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_off00008e60.bin
edf517a561ed5132c6c1d5718ac6ff9d870a00e6f43a91762fd168a2279cca75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E60 6440 bytes
font_01_sfnt_off00009e56.bin
08ce140016a97ce2bf173fc0becff4cc214df77f7f10e6f8cd415536d47bb6de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E56 5444 bytes
font_02_sfnt_off0000b0b3.bin
85ff055f787db502f2e96b6414cd85421ede7d10c8e254608a195b4607455d6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB0B3 8796 bytes
font_03_sfnt_off0000cdc2.bin
f46c3f3e9f7f4a007031c53385a201f31767f67251a80c4e0ef91979f5079f8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCDC2 15652 bytes
font_04_sfnt_off0000fd88.bin
252a907607fe8cf2d36f1e9c44c1986127e79ee03ae35aaafcaf9f4d1a976959		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD88 16168 bytes
font_05_sfnt_off0001128e.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1128E 4324 bytes

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