Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab5573df91ab2eda…

MALICIOUS

PDF

33.4 KB Created: 2020-05-24 16:02:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e057e4ffc84d1a29eff8f5ff5a423ee SHA-1: 51e198a0bc578c8e3d1d1f266f5bd1c2905cb76c SHA-256: ab5573df91ab2edad7de2cf6433228ad77c8de9271be5a448051f47afa4590af
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are dynamically generated SEO-style links, indicating a link farm or redirection scheme. The document body, though heavily obfuscated, contains a URL that appears to be a lure for MP3 downloads. The primary attack pattern involves redirecting users to a network of malicious websites. No scripts were extracted from this sample.

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://verarevision.com/uploads/1/3/0/7/130776824/130776824.html#k%25C3%25BCrtce+halay+mp3+indir
    • http://flavoragentcooks.com/uploads/1/3/1/3/131383766/lunivobugofamikik.pdf
    • http://vcvids.com/uploads/1/3/0/4/130436242/maduxukalagikadi.pdf
    • http://suwaneegatewayone.com/uploads/1/3/0/8/130814132/rewuzofos.pdf
    • http://jillianmaryjoseph.com/uploads/1/3/1/3/131398362/3008008.pdf
    • http://toothwire.com/uploads/1/3/0/6/130620853/kazoruzugilefu_dewefobobosome.pdf
    • http://gadaboutmaine.com/uploads/1/3/1/4/131407005/6382954.pdf
    • http://amylaneromance.com/uploads/1/3/0/7/130739962/7966658.pdf
    • http://bodycandybycarter.com/uploads/1/3/0/5/130543494/bulijirolipuxaw_zetiwutitapefa.pdf
    • http://energysportsuv.com/uploads/1/3/1/0/131070805/kexazafumefas.pdf
    • http://themindfulchristian.net/uploads/1/3/0/6/130621060/pojamenonib.pdf
    • http://janerasfit.com/uploads/1/3/0/7/130740050/tinamuzekipexuxele.pdf
    • http://kateandcolour.com/uploads/1/3/0/3/130323277/9854689.pdf
    • http://mahanappraisal.com/uploads/1/3/1/0/131070293/milaxivutekakovugob.pdf
    • http://ysbma.com/uploads/1/3/0/6/130604196/subiwanozozomofe.pdf
    • http://beczugor.com/uploads/1/3/1/1/131164312/326965.pdf
    • http://cjwhomeimprovements.net/uploads/1/3/0/6/130603906/5609979.pdf
    • http://tslapplications.com/uploads/1/3/0/6/130603925/5644780.pdf
    • http://anatsasiabeverlyhills.com/uploads/1/3/0/7/130739852/wirukowololibeba.pdf
    • http://nutricionbasadaentrofologia.com/uploads/1/3/0/6/130621025/kamopivalejiwu_regamiligavijot_rulebisorux_povevuvojed.pdf
    • http://theparishchurchesofmaxtonandmertounwithnewtownwithstboswells.org/uploads/1/3/0/5/130540869/xemojapaze-xakuzug-mivojujig.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_off000052bc.bin
fe33d5a8bce90a8c6f8d8738e99406a544651eee0b17cafcc019c79b8cefce7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52BC 12544 bytes

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