Malicious PDF — malware analysis report

Static analysis result for SHA-256 76e20d3faf9cf6de…

MALICIOUS

PDF

45.0 KB Created: 2020-03-23 14:07:56 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 65a0644dc8ba98bd3da1b7a2005ca852 SHA-1: 450414f279b7d3829a778b69624cfaade6796c92 SHA-256: 76e20d3faf9cf6dec29dab7384e724da13227b6467a61cfd44594aa1b845aecb
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. The document body, though partially corrupted, contains text related to educational materials and the wkhtmltopdf tool. This suggests a link farm or SEO spam tactic, potentially leading to phishing or malware distribution sites. No scripts were extracted, limiting the analysis of direct malicious actions.

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://talkochavlighting.com/uploads/1/3/0/9/130969709/130969709.html#planeacion+figuras+geometricas+preescolar+nuevo+modelo+educativo
    • http://dentalinnovationsdirect.com/uploads/1/3/0/5/130588315/nekekeginevudax_mabinivad_gaxawotiligu.pdf
    • http://apresmariage.com/uploads/1/3/0/5/130540714/0dcbbedb908ad.pdf
    • http://moheal-moringa.com/uploads/1/3/0/6/130621284/40e5f5ad2.pdf
    • http://artbank.gallery/uploads/1/3/0/6/130603776/jewutox.pdf
    • http://mkstucco.com/uploads/1/3/0/5/130588403/sixogujijo.pdf
    • http://drleonardbsmith.com/uploads/1/3/0/6/130620268/ravifagigakulezeg.pdf
    • http://fixmytaxexperts.com/uploads/1/3/0/9/130969551/nedulagidigitip.pdf
    • http://glenhouseplants.com/uploads/1/3/0/4/130436182/suweziwuzixezi_juvujiwosoxu_logopabanu.pdf
    • http://mdraketherapy.net/uploads/1/3/0/7/130739039/rokemugamopawevudaw.pdf
    • http://techinfoplusideas.com/uploads/1/3/0/2/130288394/fasokifufebabe.pdf
    • http://new-victory.site/uploads/1/3/0/6/130621802/9213287.pdf
    • http://farmingdaleforever.org/uploads/1/3/0/7/130739887/koluvup.pdf
    • http://jpleonides.com/uploads/1/3/0/2/130288338/wasonoz_lawaruwigez.pdf
    • http://epicgymidaho.com/uploads/1/3/0/2/130271207/guwidibagijexof_soguwexuxikuga_bonadavorosam.pdf
    • http://drboduryan.com/uploads/1/3/0/5/130538986/piwadaji-gezim.pdf
    • http://myidahoinsure.com/uploads/1/3/0/5/130539035/5a75b11212b0cd5.pdf
    • http://anti-agingbyrjxjelly.com/uploads/1/3/0/5/130588574/kukiwunifa-fumakikalelidop.pdf
    • http://slip-n-klick.com/uploads/1/3/0/5/130539019/2535986.pdf
    • http://mymcmaintenance.com/uploads/1/3/0/7/130738562/b860e36.pdf
    • http://zuiderhavendijkconcert.com/uploads/1/3/0/4/130483178/figawegon-komesezuxud-kokuniposuwoka.pdf
    • http://ooomegaaka.com/uploads/1/3/0/3/130313098/loniguw-pupisemedino.pdf
    • http://www.mk-samosa.co.uk/uploads/1/3/0/5/130589099/2135666.pdf
    • http://seanlenhartnarrates.com/uploads/1/3/0/6/130639855/bf795f75.pdf
    • http://vsprealtyjax.com/uploads/1/3/0/7/130775529/5957449.pdf
    • http://ascorabyggab.com/uploads/1/3/0/2/130291975/8782494.pdf
    • http://www.mk-samosa.co.uk/uploads/1/3/0/5/130589099/213
    • 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_off0000841f.bin
f5812c0d39790fe9e118ef4df9367b71e3acf65ff86b3e8619de6229953069dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x841F 8612 bytes

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