Malicious PDF — malware analysis report

Static analysis result for SHA-256 920ee085b30f071c…

MALICIOUS

PDF

82.5 KB Created: 2020-04-21 00:47:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 2b429a0a8fbcc780e9e3dc87cc41f696 SHA-1: a9c7afc8d66fa4517e5e33203afd3b653f9f6e59 SHA-256: 920ee085b30f071cc622e2b4988b7c46ae7af360ad7dcb4c244a8e3a957bf5b3
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to other PDF files hosted on various domains, suggesting a link-building or SEO poisoning tactic. The document body mentions 'latest android action games' and includes a call-to-action phrase, indicating a lure to download potentially malicious content. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://designproinnovation.com/uploads/1/3/0/2/130273850/130273850.html#latest+android+action+games
    • http://greycoinc.com/uploads/1/3/0/8/130814248/209c078a8ed383.pdf
    • http://maidinjersey.net/uploads/1/3/0/9/130969852/zixogifodulefaf-pubopatozal-ronabowive-najazoke.pdf
    • http://lifebydesigntribe.com/uploads/1/3/0/6/130639777/fejuvas_tixaga.pdf
    • http://natshidesigns.com/uploads/1/3/0/6/130620520/af4abacff.pdf
    • http://malediven-huwelijksreis.nl/uploads/1/3/0/6/130622080/70ef80e287c.pdf
    • http://claremichelin.com/uploads/1/3/0/5/130539795/1376765.pdf
    • http://gigiwatson.com/uploads/1/3/0/8/130814735/tukub.pdf
    • http://farrellforfourth.com/uploads/1/3/0/2/130287211/riwebaxekuxa-zibusizox-bazemerozig.pdf
    • http://sellandbuybuffalo.com/uploads/1/3/0/5/130588827/pijulurijusobi.pdf
    • http://twinatron.com/uploads/1/3/0/2/130289625/paxijepizuvale-rebumikifowide-muzudow.pdf
    • http://j4strings.com/uploads/1/3/0/6/130620584/2621006.pdf
    • http://budsbuyj.com/uploads/1/3/0/7/130740187/9200570.pdf
    • http://baylandesign.net/uploads/1/3/0/5/130551112/jerijopedepal_gadujoweme.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_off0000fc7e.bin
bf465c666a20126bf00efd028acde3ca63079e1ac5d00acef98e7946ddbc66ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC7E 8780 bytes
font_01_sfnt_off00011e24.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E24 2616 bytes
font_02_sfnt_off00012758.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12758 16164 bytes

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