Malicious PDF — malware analysis report

Static analysis result for SHA-256 a64e6931cc948266…

MALICIOUS

PDF

42.4 KB Created: 2020-03-26 12:07:52 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 73a1038e55fe4f5b9f5931bddaa8c922 SHA-1: a1b1f087dbbafc0cd3586bc47a8e1de810b77f0b SHA-256: a64e6931cc94826654ec59a32d10d1558d8cb7cfafbb7a313544253cb76efd14
96 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The document body contains a Spanish phrase related to oil distillation, which appears to be a lure to disguise the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://shakespearearms.ca/uploads/1/3/0/4/130435716/130435716.html#que+productos+se+obtienen+de+la+destilacion+conservativa+del+petroleo PDF link annotation
    • http://rewindind.com/uploads/1/3/0/7/130739294/zuxemanitubiw.pdfIn PDF document text
    • http://www.nativitybloomingtonparish.org/uploads/1/3/0/7/130775897/wisikisura.pdfIn PDF document text
    • http://restorechurchnc.net/uploads/1/3/0/5/130590550/2618738.pdfIn PDF document text
    • http://monamourhair.com/uploads/1/3/0/7/130774977/1b0a29d8.pdfIn PDF document text
    • http://zenshiatsuforall.com/uploads/1/3/0/3/130323130/sefipenemumini.pdfIn PDF document text
    • http://www.meccengineering.com/uploads/1/3/0/6/130621654/gifaf_nufat_xirotukow.pdfIn PDF document text
    • http://www.michaelsilveyiptec.com/uploads/1/3/0/2/130270872/3643016.pdfIn PDF document text
    • http://dealswithdessy.com/uploads/1/3/0/4/130436141/d0477.pdfIn PDF document text
    • http://morganbrookfarm.com/uploads/1/3/0/5/130543546/84f9effd08.pdfIn PDF document text
    • http://usatfregistration.com/uploads/1/3/0/5/130588620/762ebc9b29.pdfIn PDF document text
    • http://www.all-heath-homes.com/uploads/1/3/0/7/130738753/f9407ee.pdfIn PDF document text
    • http://skioutdeervalley.com/uploads/1/3/0/7/130775598/rebapepub_lidadorosum_ligokuwefajok_jisat.pdfIn PDF document text
    • http://ascqualityinnovations.com/uploads/1/3/0/9/130969873/duteziba_mexitumaz.pdfIn PDF document text
    • http://rayyanmerchant.com/uploads/1/3/0/6/130620959/869e5d446f7a1f3.pdfIn PDF document text
    • http://studiocitynorth.com/uploads/1/3/0/6/130621130/turawalileliken.pdfIn PDF document text
    • http://cvohomeforfemaleveterans.com/uploads/1/3/0/4/130435553/zubulelenewo.pdfIn PDF document text
    • http://rdpgateway.artaccountants.co.uk/uploads/1/3/0/5/130539022/xavuturoloforef.pdfIn PDF document text
    • http://stuffface.com/uploads/1/3/0/6/130622061/tatizolovitofuwop.pdfIn PDF document text
    • http://trancurabio.com/uploads/1/3/0/5/130540246/bezal_wesob_jozejuvax_kevalatojedij.pdfIn PDF document text
    • http://petsboulder.com/uploads/1/3/0/7/130739383/9841.pdfIn PDF document text
    • http://thisismylifesong.org/uploads/1/3/0/6/130604182/vowofexoxofi.pdfIn PDF document text
    • http://christianbebrave.org/uploads/1/3/0/7/130740429/08dea9c0e.pdfIn PDF document text
    • http://simoneaehrlich.com/uploads/1/3/0/6/130605324/e8c78af6619615.pdfIn PDF document text
    • http://northernlakeschb.com/uploads/1/3/0/6/130604557/4917157.pdfIn 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

Related samples 4

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_off00007aeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AEB 8132 bytes
SHA-256: 507368703f31dea8f861a66541e35cf0a20f5900f70ed43581883564b572acd6

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