Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7e97e147d148686…

MALICIOUS

PDF

72.0 KB Authoring application: LibreOffice First seen: 2020-09-24
MD5: 6752f73cdfd8cfe94edbd2f304eaea15 SHA-1: b46d275531fab22f6380d586f15fce1aa3d68bba SHA-256: d7e97e147d1486869a3885cd49715bdff9b444efd8d97a03411ec02dfc896895
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This technique is often used to distribute malicious content or conduct phishing attacks by overwhelming search engines with links to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-robot-based malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9836

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://cavalcadeofkink.com/uploads/1/3/0/6/130620763/db2db292f182164.pdf In PDF document text
    • http://supergcoating.com/uploads/1/3/0/6/130605373/popexojo.pdfIn PDF document text
    • http://3dprintedgospel.com/uploads/1/3/0/6/130639558/4999865302295c4.pdfIn PDF document text
    • http://www.armoryheritage.com/uploads/1/3/0/6/130620964/gufeza.pdfIn PDF document text
    • http://www.rbframingco.com/uploads/1/3/0/6/130621531/tosusovixeduji_feguxamakafaro_pusaxasoxalidiw.pdfIn PDF document text
    • http://www.buildershare.co.nz/uploads/1/3/0/5/130541950/b49b766948221b9.pdfIn PDF document text
    • http://arictran.com/uploads/1/3/0/7/130776720/ganunavebifozudowaf.pdfIn PDF document text
    • http://riverviewcottage.info/uploads/1/3/0/9/130969842/1972687.pdfIn PDF document text
    • http://hubsinhalf.com/uploads/1/3/0/2/130287932/7241d54d2e2da.pdfIn PDF document text
    • http://mynorthlakedemo.com/uploads/1/3/0/8/130874394/288630.pdfIn PDF document text
    • http://arizonacustomgraphics.com/uploads/1/3/0/8/130813736/gujabezarirev.pdfIn PDF document text
    • http://nobros.net/uploads/1/3/0/6/130639831/jexusul-buzelamudotizu.pdfIn PDF document text
    • http://www.claudiasdeliciousdishes.com/uploads/1/3/0/6/130621072/911937.pdfIn PDF document text
    • http://nobodyssafeapparel.com/uploads/1/3/0/2/130289476/561009188.pdfIn PDF document text
    • http://nrv-ayurveda-foundation.org/uploads/1/3/0/5/130590355/d96f33.pdfIn PDF document text
    • http://newdaymetaphysical.com/uploads/1/3/0/7/130739087/8568391.pdfIn PDF document text
    • http://remisesugartepremium.com/uploads/1/3/0/7/130775458/1a1674f1acffb.pdfIn PDF document text
    • http://magneticmindz.com/uploads/1/3/0/6/130604729/7341299.pdfIn PDF document text
    • http://alpinetransportationgroup.com/uploads/1/3/0/5/130545885/jebepov_xabadokopusoni_waligawit.pdfIn PDF document text
    • http://www.magicalgourmet.com/uploads/1/3/0/6/130604775/130604775.html#apache+openoffice+portable+for+macIn PDF document text
    • http://linux.thai.net/projects/fonts-tlwgIn PDF document text
    • http://www.thaitux.infoIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://www.gnu.org/licenses/lgpl.htmlRegularDanhHongIn PDF document text
    • http://www.geocities.com/dnhhngIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 8

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003385.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3385 6336 bytes
SHA-256: 57ab9563b93709fdd7a716e21cede2f27f3b6b500259d68a041fdcb0de1a569d
font_01_sfnt_off0000475f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x475F 10240 bytes
SHA-256: bbd465158f88620f6b89bbc14fd4053a393fda34b464cf5d9625b9580ee6f51f
font_02_sfnt_off00005cdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CDF 7316 bytes
SHA-256: b1118302c5517eb61a6a239cbb0c0398f36a596cc95e76ebefef7294164c1510
font_03_sfnt_off00006f2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F2E 5032 bytes
SHA-256: a47959a8a0c44ddf6b8e998b6dd727bd4d99d6980137c168d359ab97f64ba13a
font_04_sfnt_off00007ddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DDD 6664 bytes
SHA-256: 750c92fa1db5810c6de6b1040e9c0837d38486580b44de1cde3f2eb8b8040d63
font_05_sfnt_off00008ea3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EA3 3508 bytes
SHA-256: 4c93801c4768b9cf34ec960e4f85d683fdbe353adcc5a9e70f9f8b41c5e92470
font_06_sfnt_off00009a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A6F 16860 bytes
SHA-256: a698bf74a6b91010e90e2891ccde8bbe917d6cb64c35f07d6b7285511bd4a274
font_07_sfnt_off0000b58a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB58A 11404 bytes
SHA-256: 8884696cc8fbe62ed2512d52df2573e4a45fb62ad7a3567c3f848ca958e3aa8f

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