Malicious PDF — malware analysis report

Static analysis result for SHA-256 e41c9a6f94c00097…

MALICIOUS

PDF

40.8 KB Created: 2020-04-01 23:37:08 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 444e6306dd6aa792cfb33de8f27d28cd SHA-1: b1a2efd91b91527581d5c7d463107cc0658214c1 SHA-256: e41c9a6f94c0009778203000523c527353276749562d392b3532c9a1df8d67dd
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, likely intended to direct users to malicious content or phishing pages. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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://twistedsugarut.com/uploads/1/3/0/9/130969489/130969489.html#3+rivers+heritage+trail
    • http://laurelrich.com/uploads/1/3/0/4/130483260/meriwexevenewow-nutovo-sepifigoxuj.pdf
    • http://beautyimpressions17.com/uploads/1/3/0/6/130604538/fb4971.pdf
    • http://knoxtfoa.com/uploads/1/3/0/8/130813609/fufaxiweko.pdf
    • http://slobberandsnouts.com/uploads/1/3/0/7/130739274/kapopixazis.pdf
    • http://realmconsultingnw.com/uploads/1/3/0/7/130776067/4610593.pdf
    • http://olykraut.info/uploads/1/3/0/4/130488734/datubanuvofeni.pdf
    • http://accounting101.info/uploads/1/3/0/5/130547624/4558856.pdf
    • http://legamelocker.com/uploads/1/3/0/5/130539792/ed9b09.pdf
    • http://coachingwithann.com/uploads/1/3/1/4/131437350/mowukeduzujinixam.pdf
    • http://myriuwedding.com/uploads/1/3/1/4/131406717/9958633.pdf
    • http://hackrome.ezecute.com/uploads/1/3/0/9/130969993/9668788.pdf
    • http://caremanagerdirectory.com/uploads/1/3/0/6/130621952/xedoleduredifetovagi.pdf
    • http://theyosemiteproject.com/uploads/1/3/0/9/130969853/jerexunekobe.pdf
    • http://medcapital.ca/uploads/1/3/0/7/130738511/3410294.pdf
    • http://southerncrossgrounds.com/uploads/1/3/0/3/130313595/nuvezipatodoge.pdf
    • http://maggiehairstylist.com/uploads/1/3/0/8/130874204/905b9f9e958d.pdf
    • http://accel-advisors.com/uploads/1/3/0/6/130621321/xasobopuj-rufowu.pdf
    • http://lwmchurch.com/uploads/1/3/1/0/131070212/6038428.pdf
    • http://kevintstone.com/uploads/1/3/0/6/130640057/tusipupag_xarevuninon_bovaweduxona_gemigerij.pdf
    • http://bgraceart.com/uploads/1/3/0/6/130621282/jamibute.pdf
    • http://steele.dss.ucdavis.edu/uploads/1/3/0/6/130622066/666482305666a6.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_off000075d7.bin
aac191a08479910d78f028be71e40e0ce60f1dad329c86e9aa895b1aaedaf41f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D7 8200 bytes

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