Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d486dd297ce56b3…

MALICIOUS

PDF

546.1 KB Created: 2020-08-12 05:46:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 85fbbd49960a859d257d42ff3cfc2638 SHA-1: 482e5038b17179b4a91cbaf82eb49f46fe0f2756 SHA-256: 7d486dd297ce56b3adc43bce49d1899bcb9b2a6f7a3dc7a7fa588a6791f50e66
80 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains the same URL. This suggests the primary goal is to redirect the user to malicious content. The presence of a callback phishing lure heuristic further supports a social engineering attack vector.

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.
  • 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.com/pify?keyword=bioinstrumentation+john+g.+webster+pdf+download
    • http://jebobom.akirafukui.com/uploads/1/3/1/4/131408738/wakesav-kodowopilabis-bajowelujeme-wubepomudu.pdf
    • http://files.manjaroresort.com/uploads/1/3/2/6/132696351/6ecf00c9f.pdf
    • http://vemidin.polarmininginc.com/uploads/1/3/1/3/131383791/072968a291eaf.pdf
    • http://dugimov.connectingfour.com/uploads/1/3/1/1/131164574/6385428.pdf
    • https://cdn.shopify.com/s/files/1/0431/6141/9927/files/91845705411.pdf
    • https://cdn.shopify.com/s/files/1/0438/2185/8973/files/absceso_hepatico_en_pediatria.pdf
    • https://cdn.shopify.com/s/files/1/0433/4750/9416/files/22087770892.pdf
    • https://cdn.shopify.com/s/files/1/0452/6279/9005/files/stock_market_courses_for_beginners.pdf
    • https://cdn.shopify.com/s/files/1/0447/8078/1734/files/cateter_venoso_central_definicion.pdf
    • https://cdn.shopify.com/s/files/1/0430/9496/6436/files/lawib.pdf
    • https://cdn.shopify.com/s/files/1/0432/9085/3541/files/74644338488.pdf
    • https://cdn.shopify.com/s/files/1/0433/3531/9702/files/role_of_non_governmental_organisations_in_development.pdf
    • https://cdn.shopify.com/s/files/1/0432/7908/9824/files/87186412272.pdf
    • https://cdn.shopify.com/s/files/1/0433/5504/6037/files/14409817789.pdf
    • https://cdn.shopify.com/s/files/1/0436/4979/4213/files/ginofigo.pdf
    • https://cdn.shopify.com/s/files/1/0435/3831/7464/files/28738437267.pdf
    • https://cdn.shopify.com/s/files/1/0427/4136/6951/files/39951763867.pdf
    • https://cdn.shopify.com/s/files/1/0430/5305/6149/files/daturoxajebug.pdf
    • https://cdn.shopify.com/s/files/1/0432/1938/6526/files/sage_50_accounts_for_dummies_free_download.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_off0007fa44.bin
154132188b7aa2da6bbcc032f47b67b6262cc2b34d24ddb0329638c968e049d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FA44 5724 bytes
font_01_sfnt_off00080d69.bin
d3d231495597af5711920d393cff225ac786ee6cbe8e23216d4c3e2b5c9499f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80D69 1188 bytes
font_02_sfnt_off0008143a.bin
96c1c6b1e2ce1083d8d1eb93c07e00bc500483ccd5532c9a5b64ec983c564ed2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8143A 2472 bytes
font_03_sfnt_off00081e7f.bin
44577159cae57b4ca1c9527f0eb7960fcecc498a124ad2bc5012514f06708412		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81E7F 17088 bytes
font_04_sfnt_off0008536d.bin
c43c81af3addadc619f1b50b0eb79006c69e58cb90abf43f7a5fbd940e22698c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8536D 16060 bytes
font_05_sfnt_off0008680b.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8680B 4324 bytes

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