Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c4f92f27ba58be0…

MALICIOUS

PDF

39.8 KB Created: 2020-06-04 08:02:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-09-04
MD5: 9d821c63757a1b5e156ee9da3421cf38 SHA-1: f6772479496c1df1d5a77d7ad270b6a5af1c42dd SHA-256: 6c4f92f27ba58be07f06f654134de1736acb15e418e47325c14202fddb7711b4
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a large number of external links, many of which are structured as a link farm. The document body text, though garbled, contains a lure related to 'Allouer plus de ram minecraft' and includes URLs that likely lead to malicious content or phishing pages. The ML classifier strongly indicated maliciousness, supporting the presence of a link farm designed to redirect users to potentially harmful sites.

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://buzzingbeesadventurefarm.com/uploads/1/3/0/7/130739532/130739532.html#allouer+plus+de+ram+minecraft PDF link annotation
    • http://orakel.xyz/uploads/1/3/0/5/130545827/a9dac31cfd77d8c.pdfIn PDF document text
    • http://juvenilejusticelaw.com/uploads/1/3/0/4/130489241/235ebba2f37c8.pdfIn PDF document text
    • http://jp.kantoadventures.com/uploads/1/3/0/3/130313491/26fd30233218.pdfIn PDF document text
    • http://wedding.truncale.net/uploads/1/3/0/2/130289455/0551bccba0a.pdfIn PDF document text
    • http://fcsbuildingservices.com/uploads/1/3/0/4/130488811/5091adc93b.pdfIn PDF document text
    • http://smart-apply.com/uploads/1/3/0/8/130873958/c4c3cc22c.pdfIn PDF document text
    • http://ridetolivemotorcyclemarketing.com/uploads/1/3/0/2/130270747/802735.pdfIn PDF document text
    • http://prg5.com/uploads/1/3/0/5/130546497/8874602.pdfIn PDF document text
    • http://buzzingbeesadventurefarm.com/uploads/1/3/0/7/130739532/terms.htmlIn PDF document text
    • http://buzzingbeesadventurefarm.com/uploads/1/3/0/7/130739532/dmca.htmlIn PDF document text
    • http://buzzingbeesadventurefarm.com/uploads/1/3/0/7/130739532/policy.htmlIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://bosoroju.files.wordpress.com/2020/06/gadutodajonixuxokebolunik.pdfIn PDF document text
    • https://jarobodovilu465607016.files.wordpress.com/2020/06/jewezugibaxinawamobatozi.pdfIn PDF document text
    • https://womimoxik.files.wordpress.com/2020/06/59790208046.pdfIn PDF document text
    • https://nuluvojejuv.files.wordpress.com/2020/06/38279371218.pdfIn PDF document text
    • https://korovitezu.files.wordpress.com/2020/06/nigiwif.pdfIn PDF document text
    • https://tupawev.files.wordpress.com/2020/06/tedasagenini.pdfIn PDF document text
    • https://xituvodewam.files.wordpress.com/2020/06/19079686086.pdfIn PDF document text
    • https://kutuzuxuv.files.wordpress.com/2020/06/bulegonatedupega.pdfIn PDF document text
    • https://duroxonizisi.files.wordpress.com/2020/06/rinatexenipexip.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
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 1

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_off0000629b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629B 21032 bytes
SHA-256: b478a4a8d6fb409a87fbfc726f900ce0491865542f0f16b90e56a400ebc185fc

Open this report in the interactive analyzer, or submit your own file for analysis.