Malicious PDF — malware analysis report

Static analysis result for SHA-256 77925424aedc3f47…

MALICIOUS

PDF

38.4 KB Created: 2020-05-16 17:15:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 42ef3a4c7560369a63833dca388ba210 SHA-1: 7e2f17a5bec4160afc62ae8e5d090cbe3efc6f31 SHA-256: 77925424aedc3f4763ef0de61b81ed6565fff3e113f4f06b967f28bb3181fa37
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The document body text, though partially corrupted, includes phrases like 'Business manager cv pdf' and references to the wkhtmltopdf tool, indicating a lure to disguise the malicious intent. The primary goal appears to be directing users to a network of external PDF files, likely to host further malicious content or phishing pages.

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://hinterlandtreeservicesbyronbay.com/uploads/1/3/0/5/130588865/130588865.html#business+manager+cv+pdf
    • http://sterlingbathbodyhome.com/uploads/1/3/1/4/131453682/7399703.pdf
    • http://mariabraganini.com/uploads/1/3/0/4/130492229/mojimok_dezifapawebelag_sukumulavagoze.pdf
    • http://akronareaarts.com/uploads/1/3/1/4/131452887/mofoveziwadupi_kumopifidewa.pdf
    • http://erinfeng.com/uploads/1/3/1/8/131856125/226e6ebc330.pdf
    • http://minibitedelights.com/uploads/1/3/0/5/130590420/jasokatok.pdf
    • http://thefundamentallife.com/uploads/1/3/0/5/130589399/zupeliwugig.pdf
    • http://emilylindin.com/uploads/1/3/0/6/130603725/butasowewu_xevezerelomaki_solul_wilipapefapes.pdf
    • http://maxusfani.com/uploads/1/3/0/6/130604319/dupivefuzijax-wejomigawij.pdf
    • http://thecolororacle.com/uploads/1/3/0/5/130542728/89da838266aefd.pdf
    • http://threadedma.com/uploads/1/3/0/3/130313070/8042996.pdf
    • http://vaoffroadriders.com/uploads/1/3/1/3/131383977/6031027.pdf
    • http://getyourfireplacewood.com/uploads/1/3/0/9/130969308/4345312.pdf
    • http://realestatesolutions360.com/uploads/1/3/0/4/130476083/6076026.pdf
    • http://myroofingorlando.com/uploads/1/3/1/1/131164248/giwasubakekilo.pdf
    • http://bambooroomcrafts.net/uploads/1/3/0/7/130738885/fazawaz_janofowidetob_rokigigumedet_bimovegeguwa.pdf
    • http://undercovernetwork.com/uploads/1/3/0/7/130740242/7864329.pdf
    • http://aboutofnewyork.com/uploads/1/3/0/9/130969915/vapupakalenipu.pdf
    • http://simplymagicaljewelry.com/uploads/1/3/0/8/130813787/3932870.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_off000067db.bin
1110d3ff3705091a67f470ce954ddd47db968da688a69bdb5b389ca0f1ce484b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67DB 11256 bytes

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