Malicious PDF — malware analysis report

Static analysis result for SHA-256 d03a6048e37246f0…

MALICIOUS

PDF

47.5 KB Created: 2020-08-03 12:30:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: de988867801660602132c496443651bb SHA-1: 71fc480ce836a06a98d847d542473216def53432 SHA-256: d03a6048e37246f0e269cb0b5e0aaa5b8843418bfcfef6d636dd4601802d4289
148 Risk Score

Malware Insights

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

The PDF contains numerous links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=pdf+markup+software+windows+10', which is flagged as a malicious redirector. This suggests the document's primary purpose is to redirect users to potentially harmful websites, possibly for phishing or malware delivery. The presence of a 'download button' lure and a callback phone lure further supports a malicious intent.

Heuristics 5

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/pify?keyword=pdf+markup+software+windows+10
    • http://files.mindfulserenityonline.com/uploads/1/3/0/8/130874629/pezozulaleku.pdf
    • http://files.deanteamgolfcartsaccessories.com/uploads/1/3/0/8/130873737/9803aaf0ee.pdf
    • http://files.libertyhealthandbeauty.com/uploads/1/3/2/6/132681826/3474965.pdf
    • http://files.harvestcityworship.com/uploads/1/3/0/7/130739227/masotapeg.pdf
    • http://files.musiclink808.com/uploads/1/3/2/6/132695384/49e1d.pdf
    • https://cdn.shopify.com/s/files/1/0430/8582/4164/files/89754549952.pdf
    • https://cdn.shopify.com/s/files/1/0435/5329/2440/files/tulosinizijusejokodijoj.pdf
    • https://cdn.shopify.com/s/files/1/0433/7578/8184/files/rozazirapusisagigevomev.pdf
    • https://cdn.shopify.com/s/files/1/0432/6621/2003/files/fepelalinufexifovepeb.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jatud.pdf
    • https://cdn.shopify.com/s/files/1/0430/9617/8849/files/2011726658.pdf
    • https://cdn.shopify.com/s/files/1/0437/3318/8762/files/25441795897.pdf
    • https://cdn.shopify.com/s/files/1/0429/4246/4166/files/ccna_security_syllabus_2020.pdf
    • https://cdn.shopify.com/s/files/1/0440/7446/7478/files/tevajisazawerurubitapumut.pdf
    • https://cdn.shopify.com/s/files/1/0431/7567/4014/files/2001_chevy_cavalier_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/6064/8343/files/1648933520.pdf
    • https://cdn.shopify.com/s/files/1/0432/5015/5688/files/91511127235.pdf
    • https://cdn.shopify.com/s/files/1/0439/2583/1835/files/99957065622.pdf
    • https://cdn.shopify.com/s/files/1/0429/9623/6447/files/velugifogesuvefolipez.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_off00006d46.bin
664834e9ab18ff154032ea1ebeaaa7f35a70fd6d52c962b3a19875689c66d1e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D46 5388 bytes
font_01_sfnt_off00007f8e.bin
ee525a9105eb5f6c02073bf675e460fbf15a0b4978e6e9fb5b54849c480bf2ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F8E 10324 bytes
font_02_sfnt_off0000a2ce.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2CE 4324 bytes

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