Malicious PDF — malware analysis report

Static analysis result for SHA-256 4714ddaf90d79aa4…

MALICIOUS

PDF

130.9 KB Created: 2020-09-21 00:29:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6284bba2088d442312209c7858771a0b SHA-1: 12940cc9f927ae810fe7ca40c1c76e5ae414d267 SHA-256: 4714ddaf90d79aa4ccdce5461235be46671dfddbe7da60e14e3181e2b1f57817
140 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or redirection tactic. The document body also contains a callback lure, indicating a phishing or scam attempt. The primary malicious URL identified is https://ttraff.me/wix?keyword=924+area+code, which is flagged as a malicious redirector.

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.me/wix?keyword=924+area+code
    • http://xuwegisej.spiritconnections1.com/uploads/1/3/1/0/131070109/gesidodelikixiv_fizexepexelobos.pdf
    • http://files.simplified-networking.com/uploads/1/3/1/3/131378990/tuzelajuvubiz.pdf
    • http://files.knotordinarywoodworking.com/uploads/1/3/1/6/131636956/89be91956daa3f8.pdf
    • https://be1101e5-3e2f-4cf9-8219-7b3f487e9a71.filesusr.com/ugd/136d3d_4df4242cfe9e432aa909eb21465223c8.pdf?index=true
    • https://ae010951-686b-4cce-b0c4-988b3d000630.filesusr.com/ugd/592671_d7ce804a3e2945129b134c1cff62870d.pdf?index=true
    • https://76e3e3f0-d241-4d7d-85c5-a0a018172bb5.filesusr.com/ugd/c7ef1a_50c5532111e5465fbd4546cd93c240e7.pdf?index=true
    • https://759d42f8-e280-4929-97c1-ce1ec04b6e20.filesusr.com/ugd/913720_dc23b0a9c8324dfaaa9390d5cf603a8b.pdf?index=true
    • https://023fafcd-ae87-46ff-8624-57fad4624a60.filesusr.com/ugd/61b8bf_d17abdfdf3fa483391c84a905a87df34.pdf?index=true
    • https://9559d810-c9a5-4074-97ca-b832746f319b.filesusr.com/ugd/e5a943_f103df24782d47cea161bad804096aa6.pdf?index=true
    • https://bf39fd42-3cec-4517-99af-da27fefe0944.filesusr.com/ugd/fd7405_fbe0e02866f64b6db12055994863f06f.pdf?index=true
    • https://a9e492a4-d284-4ec3-bf33-18f060d2be57.filesusr.com/ugd/01bc73_c6c3390f32974b15807a902358620ebd.pdf?index=true
    • https://4aa01271-81d2-4c8b-ab77-53a6faa0ec4c.filesusr.com/ugd/d4c4cf_5a3914b768364296a0ae4436b51a2b66.pdf?index=true
    • https://c8d52035-c73f-4499-8181-9623c05288e8.filesusr.com/ugd/2072cd_c1e53ce039c848bdbca54bfc3f09349c.pdf?index=true
    • https://a36898fa-67d9-4d7e-8a85-96c75a25f403.filesusr.com/ugd/a2d007_426c65adb1a94e6195aac8c17ef9d4e3.pdf?index=true
    • https://017e03ac-e4ee-4c3e-828b-7d86c9509bba.filesusr.com/ugd/286fb8_f90d7af83f744964a176ae3a5e385b94.pdf?index=true
    • https://772f29e3-0490-439e-91c0-814c7d4de20c.filesusr.com/ugd/b910ae_5c86cd5d262e42fc951ce06868e00d26.pdf?index=true
    • 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_off0001ba6a.bin
d1a10f202a3b44a75ba578080a1800232192db2ecc44c7cf3700df068aa2ce2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BA6A 5004 bytes
font_01_sfnt_off0001cb7e.bin
e303b95a777e55c88de5f30e47cbacb6590505bab9d2f54f48caa15b71193503		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CB7E 16024 bytes

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