Malicious PDF — malware analysis report

Static analysis result for SHA-256 1599a3cf7b780a5d…

MALICIOUS

PDF

36.6 KB Created: 2020-05-22 15:14:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59b610e719c62e71e3b02e1bb0469bf3 SHA-1: e9ecb11fa357bd1aae01e919b3bbe40eaf66fef0 SHA-256: 1599a3cf7b780a5d397a78355303e98036c9be9e950cfbc23f585b9721d6cc4e
96 Risk Score

Malware Insights

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

This PDF document contains numerous links to external PDF files, suggesting a link farm or redirection tactic. The document body, though partially corrupted, contains text related to downloading ringtones, which is likely a lure. The presence of many external URLs indicates an attempt to direct the user to malicious content hosted elsewhere, potentially for further exploitation or phishing.

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://74-123-76-156.mgwnet.com/uploads/1/3/0/5/130588270/130588270.html#en+g%25C3%25BCzel+zil+sesi+%25C5%259Fark%25C4%25B1lar%25C4%25B1+indir
    • http://rockport-trading.com/uploads/1/3/0/6/130640208/8060367.pdf
    • http://fineconsignhickory.net/uploads/1/3/0/5/130551023/tidajuwezames-gekubamowone.pdf
    • http://galroga.com/uploads/1/3/0/7/130739480/nofenud.pdf
    • http://thebhaloo.com/uploads/1/3/0/8/130814252/8f95de878.pdf
    • http://thegypsyvault-staywild.com/uploads/1/3/0/7/130774969/9d324ba92a32.pdf
    • http://lifelongstrongjobs.com/uploads/1/3/0/9/130969436/tumotoxawizisetufum.pdf
    • http://thinkhighly.org/uploads/1/3/0/2/130272877/vovasunetibox_zusurafajofol_redabus_zisurubu.pdf
    • http://ustraveldocuments.org/uploads/1/3/0/7/130774978/3785affcb33.pdf
    • http://keysoasis.com/uploads/1/3/0/2/130288775/2819223.pdf
    • http://90davida.com/uploads/1/3/0/5/130551896/3069f120fe.pdf
    • http://fmtimove.com/uploads/1/3/1/3/131379132/4746367.pdf
    • http://tevadsuprata.com/uploads/1/3/1/4/131453114/7903390.pdf
    • http://igniteyourinnerhero.com/uploads/1/3/0/7/130776322/9f78aab05.pdf
    • http://biowerx.com/uploads/1/3/1/0/131070500/04f035667.pdf
    • http://perfectpawties.com/uploads/1/3/1/0/131070791/pidedo.pdf
    • http://ndublincare.ie/uploads/1/3/0/7/130776168/9346458.pdf
    • http://myautoappeal.com/uploads/1/3/1/8/131857476/zosofureletajini.pdf
    • http://shelbyswastewaterresources.com/uploads/1/3/1/3/131398544/7d98afb54.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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/
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000059fb.bin
00f8ec9bb442bbd06564afd1175aecd87eeda9d87dcba91056e4cd6e6ddc6675		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59FB 14632 bytes

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