Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebcd375c8f59425f…

MALICIOUS

PDF

64.0 KB Created: 2020-09-10 18:29:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: faa480a957b90ca6e43af176caa7ce9a SHA-1: dffc838bb4e7414b73eefac9768f3a4c4accd704 SHA-256: ebcd375c8f59425f560f46b0fb575b69088e86f9d4180183301ad2f57f9e9fb1
128 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.link/pify?keyword=anganwadi+online+form+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links to potentially malicious PDF files. The presence of a visual download button lure further supports the malicious intent. No scripts were extracted from this sample, but the embedded URLs and redirector link strongly suggest a phishing or malware distribution attempt.

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.
  • 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.link/pify?keyword=anganwadi+online+form+pdf
    • http://zutejuti.theridingtherapycenter.org/uploads/1/3/0/9/130969280/719d00f.pdf
    • http://files.thegvassociates.com/uploads/1/3/1/4/131437418/df923c9a.pdf
    • http://muworebu.nycridingacademy.org/uploads/1/3/1/4/131454029/rinejirire.pdf
    • http://pudere.nyuasap.org/uploads/1/3/1/4/131406149/vurejofodulurenuw.pdf
    • http://files.joycejudithh.com/uploads/1/3/0/8/130873781/gubibifosugipo-depaxamiw-tixusamewibimo-gafodizokifuf.pdf
    • http://files.waremiddleband.com/uploads/1/3/1/4/131437295/3732400.pdf
    • http://files.capitolhillhealingartscollective.com/uploads/1/3/2/8/132814848/433077.pdf
    • https://static.usrfiles.com/ugd/2994dd_56da3ca27bdd45f28a5ba82274a10b64.pdf
    • https://static.usrfiles.com/ugd/fe83c3_8f4397494dd8451082cc225cbc7a0bb1.pdf
    • https://static.usrfiles.com/ugd/2f7815_6642b91850fe4924ad91914af31e3160.pdf
    • https://static.usrfiles.com/ugd/2e4eb4_26cd058fc72a4b7e926431a9b684a266.pdf
    • https://static.usrfiles.com/ugd/95bb70_e2363a8ff3f64ae8bada2677e0060b6f.pdf
    • https://static.usrfiles.com/ugd/6d59ab_80eb26acbf7242bbadb732ca56d69685.pdf
    • https://static.usrfiles.com/ugd/0582e0_763c9dfbf1754664b1faf14267571082.pdf
    • https://static.usrfiles.com/ugd/9ea9b6_c64b422427614f67a23a0f6a1b1ed7a3.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b92.bin
48e1530d0e5dd0b3154cbdeda984c6af44038e4c55a1f8fc6c6188e33e505627		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B92 5264 bytes
font_01_sfnt_off00008d76.bin
56f49a51a307248f12623a1f7399c3a9cb0685586f7171803fd84cca7b35fce2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D76 5484 bytes
font_02_sfnt_off0000a0fa.bin
ac491dbeb20e580fc2ef21f89c114ab7c117de15b465509270d035e2843e063c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA0FA 15904 bytes
font_03_sfnt_off0000d264.bin
dde138ce791e6d7f5550bc5afe37bc28100bb7d7726eb5a40130d6486dd184fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD264 9964 bytes

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