Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b32776ff2a520a6…

MALICIOUS

PDF

35.2 KB Created: 2020-04-03 11:08:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 922709938b8bf2a0774f73cc2d64ef67 SHA-1: e45d40f1b7d7a0ca70bb799b75c44fe6acb50879 SHA-256: 9b32776ff2a520a671a18793f432afe2c39e03de84b32d4b317e6fdefd689a8a
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 spam or to direct users to malicious sites. The document body, though heavily obfuscated, contains a URL that appears to be a sales listing, suggesting a lure. The heuristic firings confirm the presence of a link farm and an embedded URI, indicating the primary function is to redirect users to external content.

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://grupoforrajeroxalos.net/uploads/1/3/0/7/130740086/130740086.html#marineland+hot+magnum+250+for+sale
    • http://cincoranchpoolbuilders.com/uploads/1/3/0/7/130740255/9457419.pdf
    • http://designertara.com/uploads/1/3/0/6/130604077/3741724.pdf
    • http://highbrowjackson.net/uploads/1/3/0/5/130588403/0b504572c318fec.pdf
    • http://blog.baumcycles.com/uploads/1/3/0/6/130620803/49493.pdf
    • http://glenventuresllc.com/uploads/1/3/0/5/130588225/zowoxim.pdf
    • http://planabooks.com/uploads/1/3/0/3/130379514/nujuluduba_gavejero_rapokixobevux.pdf
    • http://automotivelocksmithstatenisland.com/uploads/1/3/0/3/130313360/lagixeva_silanukofopif_terobaliwoniwe_maropajo.pdf
    • http://vipcleaningservices.org/uploads/1/3/0/4/130483680/kogimukaso.pdf
    • http://austinchimneywildlife.com/uploads/1/3/0/7/130775053/wadopinuzamufi.pdf
    • http://anarrowboatescape.com/uploads/1/3/0/6/130639024/6deaab1741bda91.pdf
    • http://wagnertoxicology.com/uploads/1/3/1/4/131406681/lukuma.pdf
    • http://hoardinghelpers.net/uploads/1/3/0/2/130273803/fukabusof_gebutivi.pdf
    • http://fat-burning-soup-recipes.com/uploads/1/3/1/0/131070116/6664328.pdf
    • http://conectodos.com/uploads/1/3/0/6/130620313/921bd13e8201448.pdf
    • http://janetbowden.com/uploads/1/3/0/5/130551770/lunasazizutuw.pdf
    • http://academieflutecannes.fr/uploads/1/3/1/4/131482822/be7fc09e255.pdf
    • http://lyonseatveggies.com/uploads/1/3/0/5/130551433/22c5dacb.pdf
    • http://bbfcafe.shop/uploads/1/3/0/6/130605212/muxatodunuv-lisijuserosefod.pdf
    • http://watersidersnbpt.com/uploads/1/3/0/6/130639648/72e009da2.pdf
    • http://patrickaaronparker.com/uploads/1/3/0/6/130604509/f2c6776.pdf
    • http://nationaldirectprinting.com/uploads/1/3/0/8/130814120/pafegoginutef-senatukexige-zosipusaxaku-dazikunone.pdf
    • http://drmarcigalloway.com/uploads/1/3/0/7/130776478/700239dba0ae63.pdf
    • http://taterre.com/uploads/1/3/0/6/130604145/narinolugogozas.pdf
    • http://healthfromthenature.com/uploads/1/3/0/4/130476014/3944504.pdf
    • http://whiteriverfarms.com/uploads/1/3/0/8/130813913/zedezarotet.pdf
    • http://taterre.com/uploads/1/3/0/6/1306041
    • 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_off00006103.bin
1152cfc63e014d86ba1997884f9014db6e48f3d42fee58e46f696a653e061975		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6103 7656 bytes

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