Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ab0259ec0189a77…

MALICIOUS

PDF

41.9 KB Created: 2020-04-03 02:39:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a24fb10a6892d0390f8e8e1436489b46 SHA-1: 1f4227a1856c23d4fd9f23c7bfd566c5c2762b84 SHA-256: 2ab0259ec0189a771110483708894abd543c1f32bbfbe7a4f6487269f81d1034
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains a URL related to resetting luggage locks, which is likely a lure to encourage clicks. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external URIs further supports a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://longviewnetwork.com/uploads/1/3/0/9/130969148/130969148.html#how+to+reset+tsa+luggage+lock+american+tourister
    • http://siliconvalleymath.com/uploads/1/3/1/3/131380569/2298328.pdf
    • http://whirlmyballs.com/uploads/1/3/1/0/131071072/5ace6710be54.pdf
    • http://peggyshomecooking.com/uploads/1/3/0/3/130323814/8705929.pdf
    • http://livinginlayersstudio.com/uploads/1/3/0/6/130621765/e635913.pdf
    • http://quantumbreak.org/uploads/1/3/0/4/130483583/zuresesu.pdf
    • http://dragonflyawakening.com/uploads/1/3/0/4/130483309/9da58568.pdf
    • http://theshergroup.com/uploads/1/3/0/4/130476555/fazimijal-riduvazumujeg.pdf
    • http://verityfinancial.net/uploads/1/3/0/6/130621868/ratizowefu_monukibal_pigukotule_gasufifiza.pdf
    • http://morganadvisory.org/uploads/1/3/0/6/130604036/kemejepokeb-gixedese.pdf
    • http://miramaroptimistclub.org/uploads/1/3/0/8/130873937/manet.pdf
    • http://thesupercoolpreschool.com/uploads/1/3/1/4/131407668/suxox_xaxexubiwi_jixupevewona_wakufem.pdf
    • http://phillipvallespin.com/uploads/1/3/0/5/130539658/67085d8f1172f.pdf
    • http://wearhouseusa.com/uploads/1/3/1/1/131163902/a3b3c1045.pdf
    • http://yihanpiano.com/uploads/1/3/0/6/130621507/vitex.pdf
    • http://hushallsassistenterna.se/uploads/1/3/0/5/130588899/rogirubif-niroru-dusep-pozapibigo.pdf
    • http://slayannasboutique.com/uploads/1/3/1/0/131071038/fikalejakokeje.pdf
    • http://preview.cafechocolade.net/uploads/1/3/1/4/131437116/mitajudotad.pdf
    • http://gerardgueguen.com/uploads/1/3/1/3/131380777/fufuvewenenav_nulovilifax.pdf
    • http://newmandarinseafoodrestaurant.com/uploads/1/3/0/6/130620991/751df4f31c4.pdf
    • http://gcnsconsulting.com/uploads/1/3/0/4/130477613/8435133.pdf
    • http://diamondstobullets.com/uploads/1/3/1/0/131070080/xagelopawasaduduxo.pdf
    • http://jonoma.net/uploads/1/3/0/4/130488935/975fe239.pdf
    • http://revarome.net/uploads/1/3/0/7/130775719/vapodegu-palovuvosi-kotuzagemof.pdf
    • http://bestyethomeimprovement.com/uploads/1/3/0/6/130604621/pexudovafu_diwurodejejog.pdf
    • http://miratorres.com/uploads/1/3/0/4/130489343/fisakevodibawo.pdf
    • http://revarome.net/uploads/1/3/0/7/130775719
    • 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_off00007bef.bin
f22a9e3e2801119b57b58b7af033a32b1d9851f9ee139c16272b21f3a706308a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BEF 7600 bytes

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