Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e7f8193846c7903…

MALICIOUS

PDF

41.7 KB Created: 2020-08-22 00:28:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86dee935d8ba67b20c3bc1cfd32a7914 SHA-1: 6ecc94bf8925f0d708954d7c40a023ae562dda7b SHA-256: 1e7f8193846c79034dfdb12c4593c19dccefa4c5652c38a246946fc612db04b9
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one heuristic specifically identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a 'photo slideshow 3d after effects template' and the malicious URL. This suggests a social engineering lure to trick the user into clicking the link, likely leading to malware download or a phishing page. 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.cc/pify?keyword=photo+slideshow+3d+after+effects+template
    • http://files.foragingforbalance.com/uploads/1/3/1/4/131407012/xitukupulo.pdf
    • http://files.theshavingwoodworkshop.com/uploads/1/3/0/8/130815093/pudulolir.pdf
    • https://cdn.shopify.com/s/files/1/0437/6271/2728/files/prueba_catalasa_fundamento.pdf
    • https://cdn.shopify.com/s/files/1/0440/8341/3142/files/lutte_contre_le_gaspillage_alimentaire.pdf
    • https://cdn.shopify.com/s/files/1/0428/3292/0739/files/wulamu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6102/6719/files/ejercicios_imperative_ingles.pdf
    • https://cdn.shopify.com/s/files/1/0437/4046/3255/files/badminton_game_information_in_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0440/7132/1752/files/kupetelaxesepuzuwovof.pdf
    • https://cdn.shopify.com/s/files/1/0433/1952/5534/files/josonawi.pdf
    • https://cdn.shopify.com/s/files/1/0432/2790/6206/files/sivudupesokivolitebiguk.pdf
    • https://cdn.shopify.com/s/files/1/0437/6471/1575/files/49773099063.pdf
    • https://cdn.shopify.com/s/files/1/0431/5349/0074/files/nitizaduwovolevose.pdf
    • https://cdn.shopify.com/s/files/1/0436/8164/4697/files/op_amp_circuits_solved_examples.pdf
    • https://cdn.shopify.com/s/files/1/0433/0917/0856/files/vufekobilafezopuzomu.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000667f.bin
54f0ce4e0f8660b8e97c4e958a785c380098e1799a03865fb971b90934ac0202		 pdf-font-stream PDF embedded font (sfnt) at offset 0x667F 5652 bytes
font_01_sfnt_off000079a2.bin
6ea78c3dfe4e1108f7312a478059e666022b286e05e27fc51c707f0969e8ec99		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79A2 9240 bytes

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