PDF malware analysis — malicious · 4856cca47c1de99e

MALICIOUS

PDF

43.0 KB Created: 2020-03-27 11:43:52 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 87cf6ad35617cbc6b8a94515a7db146e SHA-1: b5054a772246539f8036208866caa921ea48a168 SHA-256: 4856cca47c1de99e07b43d96a264e2dd1a58c283845a3320036deb4bb8db29de

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are dynamically generated and point to various domains. The document body includes a "convert decimal to binary online" lure, suggesting a phishing or SEO spam campaign. The heuristic firings indicate this is a link farm designed to drive traffic to numerous external PDF files and HTML pages. No scripts were extracted from this sample.

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://edgelandscapeandmaintenance.com/uploads/1/3/0/4/130476045/130476045.html#convertir+numeros+decimales+a+binarios+online
- http://www.brconcept.fr/uploads/1/3/0/3/130313091/kunixinuxa_mejotaget_fuvajiletamitin.pdf
- http://rfjobstoday.com/uploads/1/3/0/8/130813325/bofiwogejix-wiwevupilaguz-folinalafu-fugowokixutij.pdf
- http://www.case-backhoe.com/uploads/1/3/0/4/130489052/tusimuxuwit-nimawezajep-nitifiti.pdf
- http://free-tanga.com/uploads/1/3/0/6/130603858/8169180.pdf
- http://danygyrltreasures.com/uploads/1/3/0/2/130272644/rulekewozob.pdf
- http://sacredsummitchocolate.com/uploads/1/3/0/7/130775768/4918235.pdf
- http://kristinasteward.com/uploads/1/3/0/5/130590763/6239389.pdf
- http://erisports.net/uploads/1/3/0/6/130639214/1734898.pdf
- http://e-techbooks.com/uploads/1/3/0/4/130435574/vururikoxu.pdf
- http://msmariecrafts.com/uploads/1/3/0/7/130739156/5287437.pdf
- http://stdesignmatters.com/uploads/1/3/0/7/130738662/7114727.pdf
- http://delmontesupport.com/uploads/1/3/0/2/130287852/6073902.pdf
- http://mta-sts.fccwinder.org/uploads/1/3/0/7/130739324/fukisaxe_linazizitoxivu_vijularuruz.pdf
- http://autonotraffic.com/uploads/1/3/0/7/130739301/6964047.pdf
- http://drozpsychology.com/uploads/1/3/0/4/130435893/e3ec0e5dc1f.pdf
- http://wilsoninteriordesign.com/uploads/1/3/0/5/130538986/mobowafojokef_rapalag.pdf
- http://schreckdevelopment.com/uploads/1/3/0/5/130543538/rukebimawavovetovib.pdf
- http://restaurantatburdicks.com/uploads/1/3/0/7/130739696/4746720.pdf
- http://trixiekitty.com/uploads/1/3/0/7/130775198/1247636.pdf
- http://misogi0001.com/uploads/1/3/0/2/130288753/repuwelotekipotid.pdf
- http://ecuadoroscuro.com/uploads/1/3/0/5/130588568/zaresija_pejolikejos.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007303.bin` `2fde0eae2f0c1712f4ade6fabae26984dc487d74d334fd566b0e3e2c3fbf64f0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7303	8828 bytes
`font_01_sfnt_off000092b9.bin` `a1600c79331cba21b3b4a1f056a9d989f02b1280d9db796053b5096bff0b23f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92B9	2000 bytes

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