Malicious PDF — malware analysis report

Static analysis result for SHA-256 edc0b423745849d7…

MALICIOUS

PDF

43.8 KB Created: 2020-08-04 14:45:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 871f02f381731e0511bda9121f4c0b93 SHA-1: 19010766a3ab00d5215f87b296f49990837ec153 SHA-256: edc0b423745849d70b14431cdc5191851f789bc6b8696e7705eb11b960bee18e
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to 'livestock farming' to entice users to click the malicious link. The presence of a malicious redirector and a link farm indicates an attempt to drive traffic to potentially harmful sites.

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=benefits+of+livestock+farming+pdf
    • http://files.cairnsmoirconnections.org/uploads/1/3/1/4/131407469/valowa.pdf
    • http://files.adventuresoflollipop.com/uploads/1/3/0/8/130814052/163495fa40a7.pdf
    • http://files.thebeamtravel.com/uploads/1/3/0/9/130969435/5855860.pdf
    • https://cdn.shopify.com/s/files/1/0439/3864/4136/files/renuzozusadigazawexa.pdf
    • https://cdn.shopify.com/s/files/1/0437/9662/7616/files/madegorumasosipun.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xifadek.pdf
    • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/bijuxaruwesudoluwixafiga.pdf
    • https://cdn.shopify.com/s/files/1/0428/5490/8071/files/navunitenojomiwosu.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/65041834153.pdf
    • https://cdn.shopify.com/s/files/1/0428/4507/7660/files/sosuwikatudawobos.pdf
    • https://cdn.shopify.com/s/files/1/0429/3849/9235/files/26560870171.pdf
    • https://cdn.shopify.com/s/files/1/0429/8145/8069/files/90229133881.pdf
    • https://cdn.shopify.com/s/files/1/0431/7754/1787/files/woxupofikodisazawa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ee9.bin
8a03f922644194fb34c7c35252d4089e3d329e61d2992af7dc3f6a620b94057e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE9 5436 bytes
font_01_sfnt_off00007159.bin
05b7dabf4d340d66bf697fae265eabcf9e5b48e001359b8630d1a0908b639422		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7159 10112 bytes
font_02_sfnt_off000093e7.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93E7 4324 bytes

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