Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c74a90d1bc4c67f…

MALICIOUS

PDF

54.6 KB Created: 2020-04-01 15:12:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8f45e46d0c72f3007ace413100b55676 SHA-1: 24b5624003429393234e5b1e1d5458436841c274 SHA-256: 2c74a90d1bc4c67f5f00fd7b1f89c2bca9d8286ad12b283a59fa1b576a799a91
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. These links point to various domains and appear to be part of a link farm strategy. The document body, though partially corrupted, contains a title related to connective tissue functions, which is likely a lure to disguise the malicious intent. The primary function appears to be directing users to a large number of external resources, potentially for SEO manipulation or to host 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://wolfecityhomecoming.com/uploads/1/3/0/8/130813616/130813616.html#cuales+son+las+funciones+del+tejido+conectivo+laxo
    • http://2018vote.us/uploads/1/3/0/9/130969432/vejusivabesoxolanufo.pdf
    • http://betsybeachart.com/uploads/1/3/0/6/130639439/179b0b6802.pdf
    • http://pleasantcommunities.com/uploads/1/3/0/8/130874575/rekalekifew-zanifo-zazibagur.pdf
    • http://bavalon-archief.be/uploads/1/3/0/6/130604173/xogojav.pdf
    • http://faberjaneeggs.com/uploads/1/3/0/4/130488299/4da3e09c5a.pdf
    • http://wayoffsides.com/uploads/1/3/0/5/130543386/1250463.pdf
    • http://myteamvictory.com/uploads/1/3/0/6/130620843/4851973.pdf
    • http://avnewmedia.com/uploads/1/3/0/7/130740242/sedimetojumox.pdf
    • http://galerielewis.com/uploads/1/3/0/3/130324065/bipuxipup_kajaronuwogov_rakepelal_xagipiviwuki.pdf
    • http://storedesigns.in/uploads/1/3/0/8/130813903/9645803.pdf
    • http://sunshineautocars.com/uploads/1/3/0/9/130968994/2270871.pdf
    • http://jessica-shearer.com/uploads/1/3/1/4/131406300/lasesituwux_kunosetovitel_zopawuramor.pdf
    • http://mx.dillonbookstore.com/uploads/1/3/0/2/130288447/953485.pdf
    • http://cruisintheconejo.org/uploads/1/3/0/4/130488087/8567525.pdf
    • http://sheriff-andy.com/uploads/1/3/0/8/130873712/cf002.pdf
    • http://redrootsbeardoil.com/uploads/1/3/0/3/130379814/butolabuneluze.pdf
    • http://onehangryorson.com/uploads/1/3/0/8/130813819/lenenig_kupagamusotujan_letivurolovigim.pdf
    • http://loveucollection.art/uploads/1/3/0/2/130288507/kurowitijabesos.pdf
    • http://eshelmantechnology.com/uploads/1/3/0/9/130969054/6e0d79d489a27.pdf
    • http://sangev.com/uploads/1/3/1/4/131438610/1899085.pdf
    • http://sugarvalleyadventures.org/uploads/1/3/0/6/130639662/wipevatukew.pdf
    • http://oscontractor.com/uploads/1/3/0/4/130435722/tipezet.pdf
    • http://techsalesteam.com/uploads/1/3/0/6/130604539/2448900.pdf
    • http://matsaratravel.com/uploads/1/3/0/6/130621369/7312607.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_off0000ab3c.bin
e1d09e12a1aacab531378e26c45e38c42fe336cf834aae602293b8ebe02d63e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB3C 8444 bytes

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