Malicious PDF — malware analysis report

Static analysis result for SHA-256 987a3a1000bee926…

MALICIOUS

PDF

115.3 KB Created: 2020-07-08 23:36:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 938fd8f182a28ecf54be14c41dae06b4 SHA-1: 9c1c7ea580ba411feec5fb36e198e54c7827ad94 SHA-256: 987a3a1000bee926814b7562304af40d0b76cc142753ab41bcde9ddc0e72f383
140 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to malicious infrastructure, disguised as a software crack. The document body and heuristics indicate a lure for users to click the link, likely leading to malware download or phishing. The presence of a large number of external PDF links suggests a link farm for SEO poisoning or traffic redirection.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/wb?keyword=foxit%20phantompdf%20business%209.6%20full%20crack
    • http://files.papermagicbook.com/uploads/1/3/1/8/131860787/nelakojopotazedi.pdf
    • http://files.stmarymagdalenewpg.org/uploads/1/3/1/8/131856531/badifa.pdf
    • http://files.suwastikanaidu.com/uploads/1/3/1/4/131453735/zubas_zapuzof_ruwugafin.pdf
    • http://files.burghyart.com/uploads/1/3/1/8/131871772/vevelu.pdf
    • http://files.pfcmooremess.com/uploads/1/3/0/7/130776072/65264bc54.pdf
    • http://files.in2improv.org/uploads/1/3/0/9/130969910/kojuwodela.pdf
    • http://files.momsarefrommars.com/uploads/1/3/1/3/131379353/zukexipexonefe-fevobid.pdf
    • http://files.ellianajolenasbows.com/uploads/1/3/0/7/130776481/malifanu-ximazevitepega.pdf
    • http://files.morganofsharick.com/uploads/1/3/1/0/131071289/19a0a8e19f86789.pdf
    • http://files.lifeloveparenting.com/uploads/1/3/1/4/131455463/52f6a2e11.pdf
    • http://files.computerscpr.com/uploads/1/3/2/7/132740860/xubujolodosetejokuv.pdf
    • https://morixumudiba.files.wordpress.com/2020/07/41059588091.pdf
    • https://kaluferono394203149.files.wordpress.com/2020/06/88382017736.pdf
    • https://jefaliso410155623.files.wordpress.com/2020/07/56681820893.pdf
    • https://viwedibimu.files.wordpress.com/2020/06/80899857474.pdf
    • https://luperixul.files.wordpress.com/2020/06/kumepa.pdf
    • https://zitimaga.files.wordpress.com/2020/06/48201294123.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62114329075.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51191810805.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13578549785.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xiguxalenagidofivixonagez.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xokuwunojuvilil.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_off000180e1.bin
1884899ff27cf26840b3f924d00300bac46928fa1d76aef379ca30814c51cdc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x180E1 5844 bytes
font_01_sfnt_off00019490.bin
552dea53465c675a5bfccd0a1bcecb114ba0c57dec66ff97e267448ca0c5c37f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19490 13100 bytes

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