Malicious PDF — malware analysis report

Static analysis result for SHA-256 58b4f70720c5fd41…

MALICIOUS

PDF

38.6 KB Created: 2020-05-13 16:55:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8ebd1ecf4e920a2f7b91ab27f04fa29e SHA-1: 87a4e424f6f961d99a47b098ff8ff1100c07a1f7 SHA-256: 58b4f70720c5fd417d45828ee46cda8097044c9d0153c28fe3745c10faa4f5b5
70 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, many pointing to other PDF files, suggesting a link farm or SEO poisoning tactic. The document body presents itself as a free lease agreement form, likely a lure to encourage users to click on the embedded malicious links. The primary intent appears to be directing users to download further malicious content disguised as legitimate documents.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://theclassyandjazzyboutique.com/uploads/1/3/1/0/131070202/131070202.html#free+indiana+residential+lease+agreement+form
    • http://berkeley-rc.com/uploads/1/3/1/1/131164275/jodobixa.pdf
    • http://lennadoylerealestate.com/uploads/1/3/0/6/130640039/tukotokilefog.pdf
    • http://orvjamboree.org/uploads/1/3/0/6/130604286/judijetiz.pdf
    • http://palmshadowsit.com/uploads/1/3/1/4/131409385/gebut.pdf
    • http://royalbridalghana.com/uploads/1/3/1/3/131398563/db6644.pdf
    • http://artbuzzstore.com/uploads/1/3/0/6/130621019/7746951.pdf
    • http://domco.org/uploads/1/3/0/9/130969774/kudagobuxufilira.pdf
    • http://helpwithihip.com/uploads/1/3/0/2/130289475/3014378.pdf
    • http://simplyenhancingbeautylounge.com/uploads/1/3/0/6/130621025/8994794.pdf
    • http://casadeoromassage.com/uploads/1/3/1/8/131856374/sobidovegeme_webadekituledal_tonozirusak_riseluru.pdf
    • http://funguwo.org/uploads/1/3/0/4/130483086/gapefotubitixokut.pdf
    • http://circuitmontessori.org/uploads/1/3/0/5/130588248/xewazi_gozaxado.pdf
    • http://mlsfinances.net/uploads/1/3/1/4/131412426/2547262.pdf
    • http://maxwellzeca.com/uploads/1/3/0/5/130588333/d4f14105988b.pdf
    • http://keintegratore.net/uploads/1/3/0/4/130488123/wavarugapomiwor_vanatavexip.pdf
    • http://jesserathgeber.net/uploads/1/3/0/6/130620484/rokepatuwis.pdf
    • http://channingladden.com/uploads/1/3/1/6/131606491/7968529.pdf
    • http://noceilingsinc.org/uploads/1/3/0/8/130874599/pexabifine.pdf
    • http://composltesone.com/uploads/1/3/1/6/131606223/mumiguf-xutole-bepisodagida-gebisilo.pdf
    • http://johnniesautogear.com/uploads/1/3/1/3/131379115/poniwejofapoki_lijiketowadaj_dunavukozotu_farogatofur.pdf
    • http://goffmarket.com/uploads/1/3/0/2/130288533/xalowab.pdf
    • http://robincotton.org/uploads/1/3/1/4/131437711/1105799.pdf
    • http://vancouverhairmakeup.com/uploads/1/3/0/2/130273789/doxikosavur_kiwuxepo_tozamaxixoso_letijokam.pdf
    • http://johnniesautogear.com/uploads/1/3
    • 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_off000069b2.bin
087fd41903ef1edcfd60ce58f3c9046c1ac2a9257bf13d5a60fe7b5d77bb9dd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69B2 10512 bytes

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