Malicious PDF — malware analysis report

Static analysis result for SHA-256 9745327e21020adf…

MALICIOUS

PDF

44.4 KB Created: 2020-05-13 22:45:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ba777fd76b312a106fbdc8eed20ed29f SHA-1: bb92604e574fa0c4c62a9c66d88837b1333afc9f SHA-256: 9745327e21020adfe3dcd55d0112c46a2dfbb58836916e7c1f70a8788ce59a5e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS heuristic also flagged this document with high confidence. The embedded URLs suggest a link farm or redirection scheme, likely intended to drive traffic or host further malicious content. No scripts were extracted from this sample.

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://cityonloc.com/uploads/1/3/0/4/130436014/130436014.html#coenzyme+form+of+biotin
    • http://a1lift.org/uploads/1/3/1/4/131454065/7318832.pdf
    • http://ghadpa.com/uploads/1/3/0/2/130287553/vezegovulexexafutid.pdf
    • http://smokingdollhead.com/uploads/1/3/0/5/130588395/bavibewejonefas.pdf
    • http://forthdegree.com/uploads/1/3/0/7/130775682/dipexut.pdf
    • http://midlandsparanormalsociety.com/uploads/1/3/0/2/130288006/4458658.pdf
    • http://analyticsplayground.org/uploads/1/3/1/3/131379353/xajevet_jugix_lorolirewis.pdf
    • http://silverrestore.com/uploads/1/3/0/5/130544953/wusotuzulewovev.pdf
    • http://accounttorres.com/uploads/1/3/0/2/130292013/ae4851b0.pdf
    • http://jeffhovel.com/uploads/1/3/0/7/130739309/fosisokapigijon.pdf
    • http://theflyingdachshundandmary.com/uploads/1/3/0/2/130289242/tepuve.pdf
    • http://nicole-carmody.com/uploads/1/3/0/5/130545753/745311.pdf
    • http://chamoisinfo.com/uploads/1/3/0/2/130271121/2489745.pdf
    • http://jackatrandom.com/uploads/1/3/0/9/130968992/silogawefumix_mimetojarazirib_vebif.pdf
    • http://warwickvalleytravel.com/uploads/1/3/0/2/130287988/6160320.pdf
    • http://thsledarskap.com/uploads/1/3/0/5/130589302/3845413.pdf
    • http://bysarahnikki.com/uploads/1/3/0/2/130291029/muzujuk-nazapukinapex-pirexida-vozipivudoso.pdf
    • http://celebratenl.ca/uploads/1/3/0/4/130476878/nuridevevifipiwaf.pdf
    • http://rubberbymok.com/uploads/1/3/0/6/130639745/mejeku_vewajifosesakov.pdf
    • http://kilpatrickpropertygroupllc.com/uploads/1/3/0/3/130323774/mejudazodu.pdf
    • http://5enses.ca/uploads/1/3/0/4/130483322/punowulimumejaxagom.pdf
    • http://eveil-universel.fr/uploads/1/3/0/2/130288441/8d23398e181c.pdf
    • http://infirmiere-laciotat.com/uploads/1/3/1/4/131453177/losinatotevowogubes.pdf
    • http://atcleaningservice.com/uploads/1/3/0/3/130323173/bisunaze_jeruretin.pdf
    • http://sanantoniotreeremoval.com/uploads/1/3/0/6/130603917/xeniw.pdf
    • http://safeeats.org/uploads/1/3/0/7/130776200/gipisir.pdf
    • http://jeffhovel.com/u
    • 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_off00008155.bin
6e89c1059bfb48ded0a0a8de4dcf7066819fdaac23c8c4d1dc8f25553d1e4b88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8155 10600 bytes

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