Malicious PDF — malware analysis report

Static analysis result for SHA-256 e91c8a27001b253b…

MALICIOUS

PDF

154.5 KB Created: 2020-08-23 20:06:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a8414d622e3e38abbabcb151c8d56f2 SHA-1: 3ca3525bce9614c605633ae126e05c391e15901f SHA-256: e91c8a27001b253b8535b69c91be7fbc086f1ad4acc95a9b1dc807e3518231f3
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. This indicates the primary function of the document is to redirect the user to a potentially harmful site.

Heuristics 2

  • 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.
  • 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.com/pify?keyword=asco+guidelines+immunotherapy+toxicity
    • http://bukej.sharingprosperityusa.com/uploads/1/3/0/7/130775195/josezuvu_mupotubipata_rasusop_lokarizinizoj.pdf
    • http://files.xtabentum.com/uploads/1/3/1/3/131380871/gabegiresa.pdf
    • http://files.straitfromthefarm.com/uploads/1/3/0/7/130739415/a0338e97f.pdf
    • https://cdn.shopify.com/s/files/1/0430/8375/9765/files/74706812481.pdf
    • https://cdn.shopify.com/s/files/1/0429/6055/2085/files/female_pelvic_bone_anatomy.pdf
    • https://cdn.shopify.com/s/files/1/0438/2742/9536/files/libom.pdf
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/ford_maverick_parts.pdf
    • https://cdn.shopify.com/s/files/1/0447/7183/6055/files/circuit_breaker_types.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2674/files/4013663950.pdf
    • https://cdn.shopify.com/s/files/1/0429/4931/2665/files/kabeninesawepabidekiw.pdf
    • https://cdn.shopify.com/s/files/1/0429/6186/2810/files/bali_baby_elastic.pdf
    • https://cdn.shopify.com/s/files/1/0428/1221/1359/files/porapuvunerojinus.pdf
    • https://cdn.shopify.com/s/files/1/0431/1695/3751/files/lowodumezapemuwita.pdf
    • https://cdn.shopify.com/s/files/1/0433/1870/6341/files/14512127999.pdf
    • https://cdn.shopify.com/s/files/1/0433/7437/9173/files/titubirugezosexoko.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_off0002129c.bin
522c6c5ef852f0d70b7a45b1c068f68a2db2fc9856416c2870ca656d66d75565		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2129C 5528 bytes
font_01_sfnt_off00022537.bin
94863cca61978ad11d785958c1dbda31bc5bd21c4ca2376561619ac0d91ce9b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22537 12960 bytes
font_02_sfnt_off00024e3c.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E3C 4324 bytes

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