Malicious PDF — malware analysis report

Static analysis result for SHA-256 b70627c24924806f…

MALICIOUS

PDF

40.9 KB Created: 2020-04-01 12:26:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 46ee6d7491f265cc405a4ab68dda1693 SHA-1: 2b8779086f6712491cdac33e37e8b9fdb9919461 SHA-256: b70627c24924806fe6141fa2271c691620d88012d315509b02c1eb6c0fd2df67
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, includes a title related to global warming and mentions the authoring application, suggesting a lure. The primary intent appears to be directing users to a network of linked PDFs hosted on various domains, likely for SEO spam or to distribute further malicious content.

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://julianthology.com/uploads/1/3/0/8/130874648/130874648.html#causas+del+calentamiento+global+en+ingles+y+espa%C3%B1ol
    • http://molliemoptoppers.com/uploads/1/3/1/0/131070457/ravejo.pdf
    • http://bullyheadobedience.com/uploads/1/3/0/7/130738892/masurimozetoxaga.pdf
    • http://jillanebaros.com/uploads/1/3/0/8/130814731/bfb293d72b5d7dc.pdf
    • http://anptech.net/uploads/1/3/0/8/130813921/bibelajota-funokegid-tezozadudesa.pdf
    • http://amerineheatingandcooling.com/uploads/1/3/0/2/130289304/545fe1b746da3.pdf
    • http://www.reunioncityfilms.com/uploads/1/3/0/2/130289571/6448103.pdf
    • http://nextkeyresidential.com/uploads/1/3/0/8/130873787/c990c3767a492d.pdf
    • http://boltphotos.com/uploads/1/3/0/6/130621397/zabifo_teguxudefijulip.pdf
    • http://kellydcook.com/uploads/1/3/0/8/130814009/takedodadijexib.pdf
    • http://jigsaw-dating.com/uploads/1/3/0/6/130621507/jenotabadobivopenuvo.pdf
    • http://tteeco.com/uploads/1/3/0/5/130589159/jitodojupemukatosox.pdf
    • http://freeiigrow.com/uploads/1/3/0/6/130640062/e76290.pdf
    • http://fourbottomlines.com/uploads/1/3/0/6/130639698/98a4efdba7.pdf
    • http://barbarabairddesign.com/uploads/1/3/0/6/130639239/5004814.pdf
    • http://poolganics.com/uploads/1/3/0/3/130313230/zigemu.pdf
    • http://homemakerproducts.com/uploads/1/3/0/7/130775350/d0862.pdf
    • http://oldfieldtubeamps.com/uploads/1/3/0/7/130775990/bewexuvuveko.pdf
    • http://themanchesterscoop.com/uploads/1/3/1/3/131398281/wonofenolejubiroba.pdf
    • http://fountainoffire.org/uploads/1/3/0/8/130873955/basalisega.pdf
    • http://surftheweb.org/uploads/1/3/0/8/130874554/264447e89e9.pdf
    • http://bernardgreene4selectman.com/uploads/1/3/0/7/130740222/jexadenetoja.pdf
    • http://mytipsytaboo.com/uploads/1/3/0/6/130621180/zumozezuvafojipoluk.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_off00007528.bin
3e29b3e77fb74816bd0c45cc6a85169db501addab9af05a5e94a6bfa710acdda		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7528 8208 bytes

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