Malicious PDF — malware analysis report

Static analysis result for SHA-256 2752442878a94889…

MALICIOUS

PDF

49.5 KB Created: 2020-03-30 10:15:01 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 42f2d29ab4652ac3d1567d740f7efd4e SHA-1: 6f688c0cfc8867d568619349d75a2eeec2b3eace SHA-256: 2752442878a94889175b3fab3d3d87bca1b6c5d513b228371324e411fb6d181d
82 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, many of which are SEO-optimized and point to other PDF files. The document body, though partially corrupted, suggests a lure related to 'Shark ion robot filter cleaning instructions'. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to prompt the user to call a phone number for fraudulent purposes, consistent with a tech-support scam or billing fraud. No scripts were extracted, limiting further analysis of execution chains.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://amazingjourneytravel.voyagerwebsites.com/uploads/1/3/0/7/130739937/130739937.html#shark+ion+robot+filter+cleaning+instructions
    • http://teesineed.com/uploads/1/3/0/7/130776452/mibasozu-sewakugidi-vaxefitarog-nalopazuxovife.pdf
    • http://thejordanpetersgroup.com/uploads/1/3/0/9/130969391/0d81e40.pdf
    • http://consumerfirstaid.com/uploads/1/3/0/7/130738578/21a4e6063cc08.pdf
    • http://www.multnomahelementary.org/uploads/1/3/0/4/130483761/tixiruxekuguvi.pdf
    • http://puzzlescleaning.com/uploads/1/3/0/7/130739597/gosaburopenogatosap.pdf
    • http://itssewwoolly.com/uploads/1/3/0/7/130740465/1381016.pdf
    • http://exclusivetophats.com/uploads/1/3/0/6/130639510/pigotitox.pdf
    • http://southfloridagolfinstruction.com/uploads/1/3/0/4/130483733/d992950e1.pdf
    • http://newgriffiths.com/uploads/1/3/0/2/130287817/pakikevomi.pdf
    • http://duelmotions.com/uploads/1/3/0/9/130969353/bff595.pdf
    • http://wildcardreiningchallenge.com/uploads/1/3/0/4/130489131/rimufasulozejan.pdf
    • http://vetsandpetstravel.com/uploads/1/3/0/6/130621636/tarefovazit-samaxoxumak-losifefanuxelaz-zixotumal.pdf
    • http://footystatman.com/uploads/1/3/0/8/130874241/d234199.pdf
    • http://kelcoremechanical.com/uploads/1/3/0/7/130775615/9666262.pdf
    • http://sophysinger.com/uploads/1/3/1/1/131164308/gofidew-kikozagutunow-tebedanopimime-vuparinude.pdf
    • http://sommerhus-nrlyngby.com/uploads/1/3/0/7/130776639/6993219.pdf
    • http://yefrancybrightcleaningllc.com/uploads/1/3/0/3/130323415/3488936.pdf
    • http://countrylace417.com/uploads/1/3/0/8/130813398/gabanamog.pdf
    • http://xtremejoinery.com/uploads/1/3/0/7/130739021/3829038.pdf
    • http://phillips-solutions.com/uploads/1/3/0/7/130739510/675088e.pdf
    • http://channayath.com/uploads/1/3/0/5/130588999/3b135cebf.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_off00009957.bin
0b61007e04ac788ef2bdd04b88994db78a38bc2f0b0e117cc97ec96487ba5d30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9957 7980 bytes

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