Malicious PDF — malware analysis report

Static analysis result for SHA-256 de9bfb2e063b5756…

MALICIOUS

PDF

263.7 KB Created: 2020-08-02 06:55:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 050e2c3b862f2e8a8f1769f41cdf094a SHA-1: 5487e6c2cd82afc4a38d7f7904ea510efa308e54 SHA-256: de9bfb2e063b5756781eb0160ad7e82b10c48508b832599808887ef1cf9952e5
68 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=spss+survival+manual+6th+edition+pdf'. This URL is likely used to deliver a secondary payload. The presence of a visual download button heuristic further supports the lure mechanism. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing its malicious intent.

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.
  • 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=spss+survival+manual+6th+edition+pdf
    • http://files.newhopewindham.org/uploads/1/3/1/3/131380591/fukoxosenekisef.pdf
    • http://files.africabrotherhoodchurch.org/uploads/1/3/1/6/131637169/wipubolurigimofeba.pdf
    • http://files.skogenlab.org/uploads/1/3/2/7/132740494/tofafo.pdf
    • http://files.jessicawasserman.com/uploads/1/3/0/9/130969298/37d0bf.pdf
    • https://cdn.shopify.com/s/files/1/0440/1653/3654/files/78740768576.pdf
    • https://cdn.shopify.com/s/files/1/0428/3393/6547/files/gadonisijeliditubisido.pdf
    • https://cdn.shopify.com/s/files/1/0432/4796/0232/files/56950380589.pdf
    • https://cdn.shopify.com/s/files/1/0430/7959/8229/files/xejoviwadozakivujokoxunoj.pdf
    • https://cdn.shopify.com/s/files/1/0437/8856/6677/files/asm_mfe_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/5553/8595/files/vajot.pdf
    • https://cdn.shopify.com/s/files/1/0432/5546/4104/files/xevotosesafeg.pdf
    • https://cdn.shopify.com/s/files/1/0436/8682/2053/files/86871087879.pdf
    • https://cdn.shopify.com/s/files/1/0430/8510/3255/files/63510676763.pdf
    • https://cdn.shopify.com/s/files/1/0434/4214/3388/files/jabanadegutajojon.pdf
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/49720349618.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tevedizulav.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_off0003bd1d.bin
b1b729575a6ad818cf6c86ff56fe198df9e336328c4c9ecf1cf3b3d997559e1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3BD1D 5596 bytes
font_01_sfnt_off0003cffa.bin
011b90697a07a3fe8da61138f5533563921cde9f9b25d30410dba949f599b90c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3CFFA 13464 bytes
font_02_sfnt_off0003facb.bin
ebabfc16ea262293003a771f41a401ce6b86148e1129f6a36f9c8c492351cca5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FACB 16088 bytes

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