Malicious PDF — malware analysis report

Static analysis result for SHA-256 c17054ed40a60990…

MALICIOUS

PDF

59.8 KB Created: 2020-08-17 17:54:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3fccb39f4ab9b22e80d1dbf4b8202f30 SHA-1: 37061f69edd65a351cd113df5a04adac7c27617d SHA-256: c17054ed40a6099066856ad6658dc77cf3d4f870b2806a8ddad4d915c46f9213
120 Risk Score

Malware Insights

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

The PDF contains a link farm with numerous external links, including a critical redirector link to 'ttraff.com'. The document body, though partially corrupted, contains the same malicious URL. This indicates the primary goal is to redirect the user to a malicious site, likely for phishing or malware distribution. No scripts were extracted from this sample.

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.
  • 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.
  • 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=traitement+bronchite+asthmatiforme+bebe
    • http://files.traveltoasiaandback.com/uploads/1/3/1/3/131398117/6e7c4092.pdf
    • http://sogijada.vistasgn.com/uploads/1/3/1/6/131606552/dbc7309.pdf
    • https://cdn.shopify.com/s/files/1/0433/5845/3918/files/79611421076.pdf
    • https://cdn.shopify.com/s/files/1/0433/1392/2206/files/pujunuka.pdf
    • https://cdn.shopify.com/s/files/1/0441/2915/7272/files/75023979606.pdf
    • https://cdn.shopify.com/s/files/1/0430/1943/6185/files/analogias_ejercicios_resueltos_para_secundaria.pdf
    • https://cdn.shopify.com/s/files/1/0432/3622/9277/files/4451284977.pdf
    • https://cdn.shopify.com/s/files/1/0435/2425/9992/files/89785018463.pdf
    • https://cdn.shopify.com/s/files/1/0437/9826/6016/files/piwerofolozakawoxumobeju.pdf
    • https://cdn.shopify.com/s/files/1/0428/7086/6087/files/12149441975.pdf
    • https://cdn.shopify.com/s/files/1/0429/7703/4399/files/61779146532.pdf
    • https://cdn.shopify.com/s/files/1/0432/2577/6288/files/wuzojukegilugusilegus.pdf
    • https://cdn.shopify.com/s/files/1/0431/5312/9640/files/vovonesilafixizer.pdf
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/anaphylactic_shock_journal.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_off00009abd.bin
b7453b12894f51f65ad2b4a14068d3449481357eb027ac34a31d8bc0712b00c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9ABD 4968 bytes
font_01_sfnt_off0000ab64.bin
651ac5e57593aeac90aa3689665949792562bd553c467fef8cea3cb40c3568a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB64 12560 bytes
font_02_sfnt_off0000d25a.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD25A 4324 bytes

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