Malicious PDF — malware analysis report

Static analysis result for SHA-256 8647fbd00082af53…

MALICIOUS

PDF

51.0 KB Created: 2020-03-29 23:22:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5e5b7b4734ea255226e55ee48bddde19 SHA-1: eec8d8618ea07ffdc91dd889702bf65444c53c5b SHA-256: 8647fbd00082af53729e3eaf8dc348e7775c473fcb3f8fd1212a7a3d4eb881a7
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a likely attempt to drive traffic to a network of related domains. The document body itself is largely unreadable, but the presence of URLs suggests a phishing or redirection scheme.

Heuristics 3

  • 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
  • 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://74-123-73-16.mgwnet.com/uploads/1/3/1/4/131453624/131453624.html#presentation+practice+and+production+method+wikipedia
    • http://whitesflooring.com/uploads/1/3/1/4/131406248/jizuj.pdf
    • http://earthwormbubs.com/uploads/1/3/0/6/130620677/xekafubozuki.pdf
    • http://digitalstylehouse.com/uploads/1/3/0/3/130323754/0e7b8b6e5.pdf
    • http://secrettreasuresuk.com/uploads/1/3/0/4/130476519/951274.pdf
    • http://lovewisdomfractal.com/uploads/1/3/0/4/130492689/galivekegefo_xifuba_wusiwamufekuri.pdf
    • http://srbluxuryhomes.com/uploads/1/3/0/7/130776295/dijamovifuvunibi.pdf
    • http://emmett-technique.us/uploads/1/3/0/4/130483799/dekadonedugili.pdf
    • http://visionsofadventure.com/uploads/1/3/0/8/130814040/afd9a.pdf
    • http://oawtrucking.com/uploads/1/3/0/7/130740385/6561476.pdf
    • http://webmail.sdmwoodworkings.com/uploads/1/3/0/2/130273616/2597973.pdf
    • http://biblemindfulness.com/uploads/1/3/0/2/130291545/c351fd3d2df2.pdf
    • http://fifthyearbrewery.com/uploads/1/3/0/7/130739967/zagudefabamowomixov.pdf
    • http://journeyisthepath.com/uploads/1/3/0/4/130435771/b9f38782d724f32.pdf
    • http://trustedfinancialpro.com/uploads/1/3/0/5/130550901/669661.pdf
    • http://hamiltonsystemsintegration.com/uploads/1/3/0/7/130775958/16e952417.pdf
    • http://roldanecheverria.com/uploads/1/3/1/3/131378821/2018108.pdf
    • http://moreofthenatural.com/uploads/1/3/0/6/130604601/tefij.pdf
    • http://cazzius.eu/uploads/1/3/0/2/130271195/494455.pdf
    • http://damianiracing.com/uploads/1/3/0/2/130272892/fiwanutegaw-kujuguwowo.pdf
    • http://vanbrunttransport.com/uploads/1/3/0/2/130273617/vagikapipagove.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009cfc.bin
efbc3ccef5ff99ee98cee861246e562eeb25f4b611ca86d70898ff59ebd237b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CFC 8716 bytes

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