Malicious PDF — malware analysis report

Static analysis result for SHA-256 56690fdfe908f283…

MALICIOUS

PDF

85.4 KB Created: 2020-08-03 09:36:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fb1258bbe7c1c4074e93d68c62f2745 SHA-1: f74f632c46499fd11c175f79a241354c13090f87 SHA-256: 56690fdfe908f2830479f8255ee51e442948484250920cfbb371888117ddb849
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL 'https://ttraff.cc/pify?keyword=daily+law+bulletin+jobs', suggesting the document's purpose is to redirect users to potentially harmful content under the guise of job opportunities. No scripts were extracted, but the PDF structure itself is indicative of a malicious lure.

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=daily+law+bulletin+jobs
    • http://files.peytonpickenpaugh.com/uploads/1/3/0/8/130874369/mafasigidofap_jajemifobukugu_dexijokozot_lixelu.pdf
    • http://files.costaricalakehouseforsale.com/uploads/1/3/1/3/131379506/japibawomuxiz.pdf
    • http://files.atimetocraft.com/uploads/1/3/0/7/130739991/fatozamo.pdf
    • http://files.woodyshticks.com/uploads/1/3/1/3/131379612/ritozo_luwubuvilul_bizifodoli.pdf
    • https://cdn.shopify.com/s/files/1/0429/6212/4959/files/ginosisidugovudologo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59854739703.pdf
    • https://cdn.shopify.com/s/files/1/0431/6063/3504/files/6570562947.pdf
    • https://cdn.shopify.com/s/files/1/0434/2644/7525/files/31850189390.pdf
    • https://cdn.shopify.com/s/files/1/0433/3387/7914/files/1588071400.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/balevogigadan.pdf
    • https://cdn.shopify.com/s/files/1/0435/3576/1567/files/85317509594.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26443777516.pdf
    • https://cdn.shopify.com/s/files/1/0435/7790/1214/files/kesolepuroluravofomunelol.pdf
    • https://cdn.shopify.com/s/files/1/0434/4712/4135/files/xenuti.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zekimopesafirizaxos.pdf
    • https://cdn.shopify.com/s/files/1/0440/5913/2054/files/37191022291.pdf
    • https://cdn.shopify.com/s/files/1/0435/9720/1576/files/domuni.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000111e8.bin
9cc69a63fa20cad46e483c04f77d9ee8eadfa487bee01e14775507570e0401dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x111E8 4992 bytes
font_01_sfnt_off00012317.bin
9c2e6cc9b68912bb1844f60d2bff1a7737f6cc50088019c579a4391f9dc038e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12317 10976 bytes

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