Malicious PDF — malware analysis report

Static analysis result for SHA-256 fabd8e72b4665025…

MALICIOUS

PDF

40.5 KB Created: 2020-04-03 03:47:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e42bc92a6b6d402e3f930b53e81a4ad SHA-1: 5d28c72370209011f12b58752b38aff84749d7a9 SHA-256: fabd8e72b4665025b08513de0a5b508f19db64b42a4d661a3117c7560a5c0067
70 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are structured to appear as download links for software. One prominent link, 'http://tripanmarketing.com/uploads/1/3/1/4/131438193/131438193.html#sql+server+2012+express+download+iso', directly suggests a software download lure. The presence of a 'Visual download / call-to-action button lure' heuristic further supports this attack pattern. No scripts were extracted from this sample.

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://tripanmarketing.com/uploads/1/3/1/4/131438193/131438193.html#sql+server+2012+express+download+iso
    • http://bangkokpropertymanagement.com/uploads/1/3/0/7/130740116/tibesewebigakep_vakugosejesi.pdf
    • http://emwoodsart.com/uploads/1/3/0/7/130775478/lugajokanabuvir-gizonola-tosirugiwajigi-taguzojaje.pdf
    • http://cassidytrom.com/uploads/1/3/1/1/131163776/3913157.pdf
    • http://straightsavages.net/uploads/1/3/0/8/130874509/webarep.pdf
    • http://artbydelayne.com/uploads/1/3/0/4/130476112/tevoxu.pdf
    • http://pacificcetaceanresearch.org/uploads/1/3/0/5/130589275/rupulirotuz_gafowonafisod_tebegipi_giduzatebodavo.pdf
    • http://chiropracticfirstcare.com/uploads/1/3/0/5/130543771/mupenabawan-xezavakem-levak-talepajudewun.pdf
    • http://karlielucas.net/uploads/1/3/0/7/130775375/6005868.pdf
    • http://www.givevets.us/uploads/1/3/1/3/131379830/6203932.pdf
    • http://salcocleaning.com/uploads/1/3/1/0/131071312/3732800.pdf
    • http://adelaideautomotiveservices.com/uploads/1/3/0/2/130291556/1766354.pdf
    • http://billelenbark.net/uploads/1/3/0/6/130639845/3139599.pdf
    • http://acapellajatha.com/uploads/1/3/0/3/130379299/jisoxeg.pdf
    • http://purpleconvo.com/uploads/1/3/0/7/130739265/b778d9d40a067.pdf
    • http://commercialcleaninggeelong.com/uploads/1/3/0/4/130476119/rizujopalek-kolasolaledomux-pesozuzibip-gofebiroxixin.pdf
    • http://peabsnc.com/uploads/1/3/0/6/130622110/1799408.pdf
    • http://kcpurenaturals.com/uploads/1/3/0/5/130538945/7689448.pdf
    • http://italytoursnow.com/uploads/1/3/0/4/130483343/kirewijikatu-kuzelizipijuko.pdf
    • http://persontopersonbeauty.org/uploads/1/3/0/6/130639270/kijebadevafuv-jebesuzakob-lobuvonuzupoloj.pdf
    • http://innersenseacademy.com/uploads/1/3/0/7/130739706/4451749.pdf
    • http://sq1sys.com/uploads/1/3/0/6/130605028/lifamum.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_off00007610.bin
6abc1671c88fbfbb9c4f21251cbed15b34ab6fd4e02c67ffd112ca8b095fe563		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7610 7688 bytes

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