PDF malware analysis — malicious · d27a570cec56b391

MALICIOUS

PDF

41.7 KB Created: 2020-03-29 09:08:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 726250fa4d6df50b7c30708d78030208 SHA-1: a435a544947fea2caaea4e24d0696dae248e0eb3 SHA-256: d27a570cec56b3919897885b65bdb0af4196af2b9cd52e2d64bdab573dd6e16d

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The document body contains garbled text and what appears to be metadata from the wkhtmltopdf tool, suggesting it was programmatically generated. No scripts were extracted from this sample. The primary attack pattern involves leveraging a link farm to distribute potentially harmful 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://jessica-and-jaso-1.rominastiebenphotography.com/uploads/1/3/0/6/130620892/130620892.html#distribucion+de+frecuencia+agrupados+en+intervalos+de+clase
- http://minnieripertonfund.org/uploads/1/3/0/7/130775294/5378433.pdf
- http://becomeagoldstardirector.com/uploads/1/3/0/5/130550854/325b1d38.pdf
- http://fresh-beginning.com/uploads/1/3/0/7/130739105/8429776.pdf
- http://holiday-photographers.com/uploads/1/3/0/4/130483167/2680947.pdf
- http://lgwt.us/uploads/1/3/0/5/130551387/pewilige.pdf
- http://northstargateway.com/uploads/1/3/0/6/130639526/pogovajowilabivul.pdf
- http://thegamepros.net/uploads/1/3/0/6/130604056/6c8fe.pdf
- http://itssewwoolly.com/uploads/1/3/0/5/130589381/mafokelejas_jiluvogul.pdf
- http://www.melroseplace-guestroomspotchefstroom.co.za/uploads/1/3/0/5/130551641/lopuwojuvefaniwemaj.pdf
- http://artofhostingns.ca/uploads/1/3/0/8/130873869/2003499.pdf
- http://mta-sts.mail.runnerstoke.com/uploads/1/3/0/2/130289662/0c4730543f6.pdf
- http://private-label.training/uploads/1/3/0/6/130639853/xevexu.pdf
- http://hostmaster.iwalkedtojerusalem.com/uploads/1/3/0/6/130639481/pakezimu.pdf
- http://bcreativedesignandservices.com/uploads/1/3/0/6/130639251/bf3804.pdf
- http://kristenyee.com/uploads/1/3/0/6/130620985/6004954.pdf
- http://mta-sts.mail.theatreforchange.org/uploads/1/3/0/2/130289294/63e7c4e60ddd0.pdf
- http://jcardinahl.com/uploads/1/3/1/1/131164293/misivemajezutewo.pdf
- http://dancewithqi.com/uploads/1/3/0/5/130588809/devode_larudipewibez.pdf
- http://lynnmmelfi.com/uploads/1/3/0/5/130588894/dewurerapa.pdf
- http://lukapendes.com/uploads/1/3/0/5/130590143/575663.pdf
- http://stevemossberg.com/uploads/1/3/0/8/130874210/40b64b3efccb9e4.pdf
- http://dlitefullgifts.com/uploads/1/3/0/6/130639093/5684655.pdf
- http://madcarn.com/uploads/1/3/0/4/130489019/bf322.pdf
- http://lifeofcshock.com/uploads/1/3/0/7/130740514/3548780.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000077c2.bin` `a149037d878fca3a21df513d00afefedfa024aeba5327ea4a072f2900b9a0127`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77C2	8440 bytes

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