Malicious PDF — malware analysis report

Static analysis result for SHA-256 366a95acb8ef8345…

MALICIOUS

PDF

43.0 KB Created: 2020-08-09 01:14:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b9037fbc7780d8be677071d15fa95db9 SHA-1: aa4f758ca8634c5d3676876adbf6e2746e5ee832 SHA-256: 366a95acb8ef8345b91aa822f9c86e5dbed68548108a77e1f9a5422955000f60
150 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Bond energy pogil pdf'. The presence of numerous external links, including a malicious redirector, suggests an attempt to drive traffic to malicious sites, likely for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=bond+energy+pogil+pdf
    • http://deropak.thesignificantmarriage.com/uploads/1/3/1/3/131380213/881af.pdf
    • http://dofulo.eaglebrooks.com/uploads/1/3/0/8/130814124/4cd6e7b63eba.pdf
    • http://files.wekeepyoumotivated.com/uploads/1/3/1/3/131380001/pidadil_zutateju_kigukezavik_totejo.pdf
    • http://files.cosybedsandburrows.com/uploads/1/3/0/8/130813851/solewugolidafozej.pdf
    • https://cdn.shopify.com/s/files/1/0427/4572/5094/files/78140655362.pdf
    • https://cdn.shopify.com/s/files/1/0429/2873/4367/files/discrete_mathematics_lecture_notes.pdf
    • https://cdn.shopify.com/s/files/1/0433/9751/3381/files/pogikol.pdf
    • https://cdn.shopify.com/s/files/1/0438/1828/7266/files/basic_tactics_for_listening_student_book.pdf
    • https://cdn.shopify.com/s/files/1/0429/7093/9541/files/10776542896.pdf
    • https://cdn.shopify.com/s/files/1/0434/6236/1245/files/32349699863.pdf
    • https://cdn.shopify.com/s/files/1/0434/3182/1473/files/12044317239.pdf
    • https://cdn.shopify.com/s/files/1/0434/4116/0344/files/xabofosigefuza.pdf
    • https://cdn.shopify.com/s/files/1/0429/6101/0842/files/88283285830.pdf
    • https://cdn.shopify.com/s/files/1/0434/3860/4450/files/wekizerapinakun.pdf
    • https://cdn.shopify.com/s/files/1/0429/7385/5903/files/turodepaviwikogijuja.pdf
    • https://cdn.shopify.com/s/files/1/0432/4907/4336/files/wenotitaresarokuj.pdf
    • https://cdn.shopify.com/s/files/1/0430/6157/5834/files/milorasukuzikokufaderovu.pdf
    • https://cdn.shopify.com/s/files/1/0430/7465/0261/files/xeruzop.pdf
    • https://cdn.shopify.com/s/files/1/0430/3860/5461/files/32588351197.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_off00006a35.bin
b58bd49dd3cd033063b90a1fa9a78446eb2d945d82cc5d25fb683cb239f1fec3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A35 4972 bytes
font_01_sfnt_off00007b41.bin
8beb1a8b4ed054ebe98d019b3f267d744e0e62a2cecf1a264dcf74aae3eafe64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B41 10496 bytes

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