Malicious PDF — malware analysis report

Static analysis result for SHA-256 30d7d7db7f4ccc13…

MALICIOUS

PDF

51.0 KB Created: 2020-09-15 22:01:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5272f020c5b3713d640192b42b7495d0 SHA-1: a4615b316bbcdd620fc6ecb04704f17159786933 SHA-256: 30d7d7db7f4ccc13beeedf494db3d80d8599bdc6ffda7f6f633c558ab6bbf505
128 Risk Score

Malware Insights

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

The PDF file contains a link farm and a direct link to a known malicious redirector, indicating a phishing or social engineering attempt. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the presence of a link to malicious infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.me/pify?keyword=attorneys+or+attornies', suggesting a lure related to legal matters. The presence of numerous other PDF links points to a link farm strategy to obscure the true malicious destination.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.me/pify?keyword=attorneys+or+attornies
    • http://rutusotux.dantechch.com/uploads/1/3/1/6/131637136/6113655.pdf
    • http://files.armwrestlingarchives.com/uploads/1/3/1/3/131380934/5d6331b1284650.pdf
    • http://tiporitov.tigerlabs.com.au/uploads/1/3/2/6/132696194/2963735.pdf
    • http://files.cafamilyvisitation.com/uploads/1/3/1/4/131452950/podinixog.pdf
    • http://files.msnowakhomeroom.com/uploads/1/3/0/7/130775665/9843cfaa7848.pdf
    • http://files.disneyland4ever.com/uploads/1/3/1/1/131164399/2383047.pdf
    • http://votudo.emmanuel-umc.org/uploads/1/3/1/4/131406837/nibuwuw_motak.pdf
    • https://cdn.shopify.com/s/files/1/0432/3514/7933/files/pmi_agile_certified_practitioner.pdf
    • https://cdn.shopify.com/s/files/1/0433/9164/7894/files/laryngoscope_journal_author_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0435/8311/1323/files/29237006135.pdf
    • https://cdn.shopify.com/s/files/1/0433/7077/4693/files/10980490953.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f4e.bin
d8b43685227ef5d51715c0e39996877c1ae15687d18ff42e5b8688be80c03204		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F4E 4528 bytes
font_01_sfnt_off00005ead.bin
b6b8f487ddfbebfe4602861259b47b1dbd8ebdb342740162816a4d46a033f431		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EAD 7952 bytes
font_02_sfnt_off000074d4.bin
22c95b3edd90cceaf7d16879a8ff27ad86af40559a0f133580a071bbaf99cfde		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74D4 12100 bytes
font_03_sfnt_off00009ba3.bin
764fe263e68fd20aff2bbd96e69f5a400d440299d02096befa162391f913c7cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BA3 16144 bytes
font_04_sfnt_off0000b0a4.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB0A4 4324 bytes

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