Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d534db5e90ee118…

MALICIOUS

PDF

97.3 KB Created: 2020-05-22 07:11:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fdbe633f055d873a30ad90fca20a1cb4 SHA-1: e82ddc466e279d28e22b0ee2613018d592ad201a SHA-256: 3d534db5e90ee118f33db9126a18b3e5fa2f139c3aa84e5cf1f2fb2a8c2125be
94 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are disguised as PDF files, pointing to various domains. The document body explicitly mentions 'Thuppakki movie download in tamilyogi', indicating a lure for users seeking pirated content. The primary malicious URL identified is http://x0975658xstreamtravel.xsideas.com/uploads/1/3/0/2/130270866/130270866.html#thuppakki+movie+download+in+tamilyogi, which likely hosts further malicious content or redirects to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://x0975658xstreamtravel.xsideas.com/uploads/1/3/0/2/130270866/130270866.html#thuppakki+movie+download+in+tamilyogi
    • http://dahanseminars.com/uploads/1/3/1/4/131408092/8911513.pdf
    • http://grangeburn.scot/uploads/1/3/0/6/130640179/wejibumulis_rosudesawofamix_nifosesubap_jugerokakumi.pdf
    • http://fetesetevenementsspeciaux.com/uploads/1/3/1/4/131452935/zitukeruzuxufi.pdf
    • http://936mulchin.net/uploads/1/3/1/3/131383583/9522223.pdf
    • http://junkpolicenj.net/uploads/1/3/0/5/130538959/9361723.pdf
    • http://cupcakesbykath.com/uploads/1/3/0/6/130622033/100160.pdf
    • http://swarschaw.com/uploads/1/3/1/8/131856917/7987777.pdf
    • http://meilleurereduc.com/uploads/1/3/1/3/131398497/koxepisip-razajizudatutad-dotowirasiv-pibozozotabig.pdf
    • http://doenjatradingbv.com/uploads/1/3/1/1/131163980/992a3.pdf
    • http://hairtoolla.org/uploads/1/3/0/6/130621444/2641886.pdf
    • http://spendcashnow.com/uploads/1/3/0/6/130620926/83039.pdf
    • http://travel-moore.com/uploads/1/3/1/0/131070062/601cf.pdf
    • http://makingadifferencewithbriana.org/uploads/1/3/0/5/130544447/jidemanarodelid_kakok_vomiwosaxunoso.pdf
    • http://willprintandpromo.com/uploads/1/3/0/3/130323723/zedasimul.pdf
    • http://anonymousebeauty.com/uploads/1/3/0/6/130620919/jedotibi.pdf
    • http://sydneyhandsurgeon.com/uploads/1/3/1/4/131453630/4798780.pdf
    • http://spanoscustomupholstery.com/uploads/1/3/1/1/131163563/9399889.pdf
    • http://peacefullybirth.com/uploads/1/3/1/1/131163752/a478917a3ec2bf1.pdf
    • http://always-mikeandmelissa.com/uploads/1/3/1/3/131398088/2748a.pdf
    • http://indigokouture.com/uploads/1/3/0/3/130324331/lanosiweromofodu.pdf
    • http://makeupbyfazio.com/uploads/1/3/0/5/130551081/2036519.pdf
    • http://hydroservtec.com/uploads/1/3/0/4/130483422/8163104.pdf
    • http://photographictreasures.org/uploads/1/3/1/1/131164440/8716398.pdf
    • http://liveempowerd.com/uploads/1/3/0/4/130483577/6a024e4e02555.pdf
    • 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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012134.bin
9e16a1afc10fd9b32ae3e3f19b897efce52db4523069603d18ed014a77877364		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12134 8404 bytes
font_01_sfnt_off00013a8d.bin
a35180adc3122444302ccff928e8b5aa48adcaab276ebb3de1e121a545c220ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A8D 11664 bytes
font_02_sfnt_off00016289.bin
ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16289 16164 bytes

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