Malicious PDF — malware analysis report

Static analysis result for SHA-256 20de66466c04dc4d…

MALICIOUS

PDF

36.2 KB Created: 2020-05-25 03:19:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-09-24
MD5: 93c7c4f8060d27c5997f932125d2f552 SHA-1: 1dc6e9c380323108bb4d65cfd95c11507966b961 SHA-256: 20de66466c04dc4da83e7e4a0c5c46f1604e2a0f6d58e47536b560a9607d46e8
96 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, identified as a PDF_SEO_LINK_FARM heuristic. The document body contains text related to 'Louisville attic ladder parts', suggesting a lure to disguise the true nature of the links. The primary purpose appears to be directing users to a large number of unrelated websites, likely for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://arthappeningbridgewater.ca/uploads/1/3/0/2/130270931/130270931.html#louisville+attic+ladder+parts PDF link annotation
    • http://1k5.undesirable.us/uploads/1/3/0/2/130288348/tokidelegitogap_jefawuroguzivi.pdfIn PDF document text
    • http://goodhartcottage.com/uploads/1/3/0/2/130271167/7471389.pdfIn PDF document text
    • http://ngagefitnesspros.com/uploads/1/3/0/7/130775775/rezogeka.pdfIn PDF document text
    • http://whataboutsecondbreakfast.com/uploads/1/3/0/6/130620538/ludoxepazadobegaze.pdfIn PDF document text
    • http://ajdezign.com/uploads/1/3/0/7/130738885/0fa71a.pdfIn PDF document text
    • http://facultyretreat.org/uploads/1/3/1/4/131438610/sumuvejezoto-tedosa.pdfIn PDF document text
    • http://croydonvillageoutlet.com/uploads/1/3/0/5/130551700/nefefulebotupokor.pdfIn PDF document text
    • http://brightbeginningseylc.com/uploads/1/3/0/3/130323488/1184390.pdfIn PDF document text
    • http://dfg-uk.com/uploads/1/3/1/3/131398260/nevutetosipaz.pdfIn PDF document text
    • http://photographybylailaa.com/uploads/1/3/0/2/130288483/1524201.pdfIn PDF document text
    • http://luckybum.org/uploads/1/3/0/7/130775520/xesafirukovazonaj.pdfIn PDF document text
    • http://ashmo5.com/uploads/1/3/0/6/130604940/libam.pdfIn PDF document text
    • http://executiveinformationsystems.net/uploads/1/3/0/4/130476207/2870741.pdfIn PDF document text
    • http://unlimifix.com/uploads/1/3/0/5/130543552/pakivemubodusag_zotupizor.pdfIn PDF document text
    • http://timfitgetfit.com/uploads/1/3/1/4/131482996/wevubajodagab.pdfIn PDF document text
    • http://buttaz.net/uploads/1/3/0/5/130538959/gonuzo.pdfIn PDF document text
    • http://topendaudit.com/uploads/1/3/0/9/130969004/547501.pdfIn PDF document text
    • http://hostmaster.valiszka.com/uploads/1/3/0/6/130639922/bb5ccdb150cc4.pdfIn PDF document text
    • http://jesusbranch.com/uploads/1/3/0/8/130814761/93ca7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 5

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000602b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602B 10828 bytes
SHA-256: f66888be1ef788aba2ea2f904fece22fcac660b3da032ba114e7c22d4cbe9ef3

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