Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd47c9e022c139b6…

MALICIOUS

PDF

46.7 KB Created: 2020-09-15 19:53:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 333482ece8ad914e7d8d9b65adbfb9ad SHA-1: 60a720a806dc90c88d29ac9b752b0133c5d58f06 SHA-256: dd47c9e022c139b60635829cee7d14db6197826d04d7a1297e88b7ecb64fad43
140 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to 'fishing license' and the malicious URL itself. The presence of a link farm and a redirector suggests an attempt to lead the user to a malicious site, likely for phishing or to download further payloads. The heuristic 'SE_CALLBACK_LURE' also indicates a potential social engineering tactic.

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.club/pify?keyword=md+fishing+license+near+me
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vijob.pdf
    • https://cdn.shopify.com/s/files/1/0432/6971/8176/files/android_api_location_services.pdf
    • https://cdn.shopify.com/s/files/1/0429/4826/4089/files/76619754960.pdf
    • https://cdn.shopify.com/s/files/1/0434/2572/6625/files/autumn_in_my_heart_piano.pdf
    • https://cdn.shopify.com/s/files/1/0431/4916/4693/files/optavia_guide_for_diabetes.pdf
    • https://cdn.shopify.com/s/files/1/0435/4228/2399/files/68118387751.pdf
    • https://static.usrfiles.com/ugd/b56239_1ed68322f95f421d886d77226a007d4a.pdf
    • https://static.usrfiles.com/ugd/f84671_9c9469e582a84f5792aa61dd509110dd.pdf
    • https://static.usrfiles.com/ugd/544c7e_55599cdee2434e959f3945a5a721abd8.pdf
    • https://cdn.shopify.com/s/files/1/0428/3197/0460/files/49537916793.pdf
    • https://cdn.shopify.com/s/files/1/0439/4903/1592/files/nivos.pdf
    • https://cdn.shopify.com/s/files/1/0431/0433/8073/files/resort_hotel_business_plan.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_off00006b1d.bin
3b3408bd98c9871ca3c70d6ef5968818e65760568d6d64987b83c0bb19ac2713		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B1D 5040 bytes
font_01_sfnt_off00007c00.bin
f45d55f68276f6310d3d5986dd365eb4222c0542b23bfc690c29cb2cab6eae71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C00 10656 bytes
font_02_sfnt_off0000a080.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA080 4324 bytes

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