Malicious PDF — malware analysis report

Static analysis result for SHA-256 259d215f03e6d1f9…

MALICIOUS

PDF

47.3 KB Created: 2020-03-25 12:48:43 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 45fc6c4326ac4d76b2c783d9d825f9de SHA-1: efe9f79ea8564c5263a60f163611d2460a65d96a SHA-256: 259d215f03e6d1f9e08fb431f546226e94380ed0383333522b634eed5f71c294
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains. The document body text, though partially corrupted, includes a reference to 'consulta de recibo por honorarios sunat', suggesting a lure related to tax or financial receipts. The primary heuristic indicates a link farm designed to manipulate search engine results or direct users to potentially malicious content. The embedded URLs are likely part of this SEO spam or phishing attempt.

Heuristics 3

  • 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.
  • 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://seafoodfestivalgiveaways.com/uploads/1/3/0/7/130775092/130775092.html#consulta+de+recibo+por+honorarios+sunat
    • http://songweavingwomen.com/uploads/1/3/0/5/130588509/mafare_kibajik_koxisevolafiz.pdf
    • http://thehallatsaintgeorge.com/uploads/1/3/0/5/130545333/711435bf770.pdf
    • http://easy-rentals.net/uploads/1/3/0/6/130621371/7178094.pdf
    • http://513free.net/uploads/1/3/0/4/130435726/piminapuvamixusi.pdf
    • http://musiccitypetpartners.com/uploads/1/3/0/6/130639062/lekudifoz-narurowumove-genakapotu-nigagegurezewo.pdf
    • http://justgoldnuggets.com/uploads/1/3/0/7/130740617/wovazeno.pdf
    • http://georgwebbtogo.com/uploads/1/3/0/3/130323406/fameperovexajajop.pdf
    • http://nzspirituality.com/uploads/1/3/0/2/130270866/5195992.pdf
    • http://wayfarersncal.org/uploads/1/3/0/6/130604288/xagobazotu-dolurujurivog-rutanapemub-mipiladaruwuda.pdf
    • http://freekeywordsuggestion.com/uploads/1/3/0/6/130620673/nelopofakoteji.pdf
    • http://soundmindcounselling.com.au/uploads/1/3/0/5/130589239/2de78d673aedb0.pdf
    • http://kingsleyfrancis.com/uploads/1/3/0/7/130776229/f4b62066.pdf
    • http://cbaptistmurillo.com/uploads/1/3/0/2/130270941/xagapakuviwij.pdf
    • http://hannahpopik.com/uploads/1/3/0/3/130313090/jotinekixadazi.pdf
    • http://rarefoodcorp.com/uploads/1/3/0/9/130969190/c8834.pdf
    • http://mrsteamparts.com/uploads/1/3/0/5/130547846/povepomupipiriluzavu.pdf
    • http://mercertruckaccessories.ca/uploads/1/3/0/2/130289421/rewubudukuko.pdf
    • http://mpwealthmarketing.com/uploads/1/3/0/5/130551554/7660b6187d4.pdf
    • http://beneathewavesop.com/uploads/1/3/0/6/130605506/dipaposepixobabi.pdf
    • http://awakewego.com/uploads/1/3/0/3/130323962/penupuz.pdf
    • http://axewoodwork.com/uploads/1/3/0/6/130621401/zuvaluvinuserur.pdf
    • http://www.lisanegronnarrates.com/uploads/1/3/0/5/130539886/4505767.pdf
    • http://cpdforacause.org/uploads/1/3/0/6/130639212/visabufimo_tevide_gewupiwakowun_julemamujim.pdf
    • http://jenloughagency.com/uploads/1/3/0/6/130621061/1161891.pdf
    • http://cpdforacause.org/uploads/1/3/0/6/130639212/vi
    • 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_off00006da9.bin
7cf0a4d428953656dd34f1f75f269a649ec6cd7e1076320ac481443c40224862		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DA9 9028 bytes
font_01_sfnt_off00008e33.bin
83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E33 1708 bytes
font_02_sfnt_off0000969a.bin
75ad5726b260fca9c3b66ca94450239fbc156c1891091fcfcfab965e4b2051b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x969A 16376 bytes

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