Malicious PDF — malware analysis report

Static analysis result for SHA-256 349145f4105389c8…

MALICIOUS

PDF

36.4 KB Created: 2020-03-24 17:41:10 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 98e05cb56f41669b194d5f87bca722f5 SHA-1: 55033699d1220109b623646a05d08864bacece1d SHA-256: 349145f4105389c8aa41e37a1399ca78ae00ba027440780e9f0251135ddf4b90
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used in SEO spam or phishing campaigns to direct users to malicious sites. The document body text, "Dibujo logo de batman", is likely a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://privatebartenderneworleans.com/uploads/1/3/0/2/130288915/130288915.html#dibujo+logo+de+batman
    • http://whitecubes.com/uploads/1/3/0/9/130969967/8ee528b49e3d7.pdf
    • http://www.rtcreationshi.com/uploads/1/3/0/6/130620325/vorediwejora.pdf
    • http://shuttcv.com/uploads/1/3/0/5/130590719/0a8081ef1e.pdf
    • http://www.doulaemily.com/uploads/1/3/0/9/130969761/5fbb9cfec.pdf
    • http://bluelagoonbeauty.com/uploads/1/3/0/6/130621217/a6f6d8.pdf
    • http://thebullandbearreport.com/uploads/1/3/0/3/130379219/672e81d9.pdf
    • http://northoakdesign.com/uploads/1/3/0/2/130289344/segogufapapobinutumi.pdf
    • http://americanlandscapingservice.com/uploads/1/3/0/2/130289649/sodakofowodo_tegom_sosur.pdf
    • http://mail.freewalkingtournewyork.com/uploads/1/3/0/8/130813786/7086250.pdf
    • http://webmail.aaiinspectionsllc.com/uploads/1/3/0/5/130544591/vipuduvodo-tinufanonilojad-xabuwasijegefo-suzozafimivepos.pdf
    • http://mygoalhero.com/uploads/1/3/0/6/130640133/4078427.pdf
    • http://swappinghub.com/uploads/1/3/0/3/130324350/e848e1.pdf
    • http://imaginaryrats.com/uploads/1/3/0/3/130323187/e7f089.pdf
    • http://www.wegetlocalbusiness.com/uploads/1/3/0/6/130620757/kozawun_solixopimogapux_xewebi.pdf
    • http://fightingoutofthedarkness.net/uploads/1/3/0/3/130313212/e17099e2b1c.pdf
    • http://www.nfologs.com/uploads/1/3/0/2/130288629/latodurugewulupuzin.pdf
    • http://clubonetc.com/uploads/1/3/0/3/130323596/6629549.pdf
    • http://oceansideparkingservices.com/uploads/1/3/0/6/130604283/belapaxowutakarifi.pdf
    • http://betteshaw.com/uploads/1/3/0/7/130776336/felakukebukalemoxon.pdf
    • http://app.intentionnelles.com/uploads/1/3/0/6/130604287/8ac04213e7537.pdf
    • http://jonathannobil.com/uploads/1/3/0/5/130590296/2412969.pdf
    • http://homesourcega.com/uploads/1/3/0/8/130813055/4886131.pdf
    • http://bordercollieevents.nl/uploads/1/3/0/6/130620708/762a2dab76642.pdf
    • http://www.spicemountaintrading.com/uploads/1/3/0/5/130550940/damutujofogijedina.pdf
    • http://americaneagleurns.com/uploads/1/3/0/8/130874497/baralen_nelet_xalos.pdf
    • http://www.spicemountaintra
    • 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_off0000664a.bin
e9bc3d09270889ef337dd650f6cffa96ed617f80c5eb810f9e240181f6115daa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x664A 7544 bytes

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