Malicious PDF — malware analysis report

Static analysis result for SHA-256 98c40afcc2b2e84c…

MALICIOUS

PDF

42.1 KB Created: 2020-03-30 02:43:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 55ed866d8ddedb4bfa80a8954e567ac5 SHA-1: 205091bd20a24d0cb607920ae329ca22b1645370 SHA-256: 98c40afcc2b2e84c4a9bb383504f1d33c089252cc445238c4e377b84fdb167a3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file exhibits characteristics of a link farm, containing a large number of external URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, likely designed to lure users to malicious sites. No scripts were extracted from this sample, but the sheer volume of outbound links suggests a delivery mechanism for further payloads or phishing attempts.

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://kreativekidsworld.com/uploads/1/3/0/6/130621082/130621082.html#another+word+for+touched+me
    • http://allensonarmory.net/uploads/1/3/0/5/130588983/2144165.pdf
    • http://prestigepayeeservices.org/uploads/1/3/0/6/130639173/vapodepuzaro-jasupajo.pdf
    • http://netafi.com/uploads/1/3/0/8/130814172/b6daf83.pdf
    • http://jahrgent.de/uploads/1/3/0/3/130379843/2393155.pdf
    • http://www.solidwastemanagement2030.org/uploads/1/3/0/6/130639701/f10070dc13.pdf
    • http://mindfulwear.shop/uploads/1/3/0/5/130589339/3122289.pdf
    • http://eyelashesandmorebyerin.com/uploads/1/3/0/6/130604557/6844268.pdf
    • http://curatedbycordelia.com/uploads/1/3/1/3/131382673/3968813.pdf
    • http://inspiringdesignstaging.com/uploads/1/3/0/4/130476401/ebcf74996cec8ec.pdf
    • http://mexicorvadventures.com/uploads/1/3/0/4/130476396/sixanomudimipaj.pdf
    • http://sweetsalvages.com/uploads/1/3/0/8/130873717/4567773.pdf
    • http://acerecoverygroup.com/uploads/1/3/1/3/131382148/kubovotokemak_raruzaforel_xebenesegevu.pdf
    • http://forthepeopleinstallations.com/uploads/1/3/0/3/130324075/9290062.pdf
    • http://plussizeweddingdressnewhampshire.com/uploads/1/3/0/7/130739146/5711521.pdf
    • http://bodybybigelow.com/uploads/1/3/0/7/130738607/c6a1b599da.pdf
    • http://friasgetaways.com/uploads/1/3/0/5/130550833/gumedewesawipivuxeva.pdf
    • http://iamreallife.org/uploads/1/3/0/5/130589400/zatokiwepal.pdf
    • http://progressivearms.com/uploads/1/3/0/7/130776872/2399035.pdf
    • http://dimitrovakataacademy.com/uploads/1/3/0/8/130873997/049a52374476d8.pdf
    • http://michellewhyman.com/uploads/1/3/0/7/130739696/5717607.pdf
    • http://aghomes.org/uploads/1/3/0/7/130775118/nasefo-topasilatawez-fonadivibi-nozarukaseje.pdf
    • http://spacerespublica.com/uploads/1/3/0/2/130272325/zopazibebe.pdf
    • http://yorkdulgentfudge.com/uploads/1/3/0/8/130813846/733485.pdf
    • http://islandgirlsongs.com/uploads/1/3/0/6/130603986/kumogaxe_nojipazapepegu.pdf
    • http://islandgirlsongs.com/uploads/1/3/0/6/130603986/ku
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000072ff.bin
5a413c01666fd025c2bd51ac5c093e641b344bebd43677492329b24039e06c95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72FF 7228 bytes
font_01_sfnt_off00008f65.bin
363bd3c4be12d8e0df4e93296d53ae84d4e30841c6428e38c834088ea07c1383		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F65 2636 bytes

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