PDF malware analysis — malicious · 85e0539aed206ceb

MALICIOUS

PDF

42.6 KB Created: 2020-03-25 07:56:45 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 55afc8d2f319948dd45a0b0ad80ea9c6 SHA-1: 7aa08246018ea2d0bd024b342d64d94a0a96d3f0 SHA-256: 85e0539aed206ceb867c47acb85a7cd1be4ec658a757f85e679f77c16f78a727

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a method to distribute further malicious content. The document body contains garbled text and references to 'wkhtmltopdf', indicating it was likely generated programmatically. 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://americankennelregistration.com/uploads/1/3/0/4/130483520/130483520.html#modern+essentials+book+10th+edition+nz
- http://niftycasa.com/uploads/1/3/0/4/130436050/931236.pdf
- http://www.sarahpalette.com/uploads/1/3/0/7/130776423/fb7445.pdf
- http://autodiscover.technoweld.net/uploads/1/3/0/4/130489800/gebolipogavavajuf.pdf
- http://peopleshistorychicago.com/uploads/1/3/0/6/130620224/c7eace9ed329e0.pdf
- http://polish-pottery-4u.com/uploads/1/3/0/7/130739922/gosizir-tibiwipeba.pdf
- http://studysmartedu.com/uploads/1/3/0/7/130776555/fuzejerakitu.pdf
- http://wecanimpressyou.com/uploads/1/3/0/6/130604859/puresuniti.pdf
- http://www.anticsofsusieq.com/uploads/1/3/0/6/130621758/e559d.pdf
- http://mytherapybox.com/uploads/1/3/0/5/130590392/tagipokuluzok.pdf
- http://ultimatewaxspot.com/uploads/1/3/0/5/130589222/xatamamawepuben.pdf
- http://michaelquesnel.com/uploads/1/3/0/4/130475901/dixasepasel-sabepaboxi.pdf
- http://glindusa.com/uploads/1/3/0/5/130543840/5099711.pdf
- http://airbnbleb.com/uploads/1/3/0/8/130874030/2787411.pdf
- http://quarryhog.app/uploads/1/3/0/2/130288830/kelovumif.pdf
- http://shopsimplymade.com/uploads/1/3/0/5/130540397/mexamasoriru.pdf
- http://biexecutive.com/uploads/1/3/0/6/130604181/394537.pdf
- http://joyceannsjewelry.com/uploads/1/3/0/5/130588702/pibiwiledo_nimetujumip_sokujimiju.pdf
- http://fethigurcan.org/uploads/1/3/0/7/130739164/5848fd125.pdf
- http://sportrock.org/uploads/1/3/0/5/130539002/b34154378f90.pdf
- http://ancientwaysdm.com/uploads/1/3/0/9/130969332/08f0542c43.pdf
- http://a2zcabinetsandfloors.com/uploads/1/3/0/7/130774978/4014330.pdf
- http://www.whoareyoucostumes.com/uploads/1/3/0/6/130604653/7847546.pdf
- http://hawthornedevelopments.com/uploads/1/3/0/6/130621459/valon.pdf
- http://www.shelbysremedies.com/uploads/1/3/0/4/130488875/juromir-wuwabamuvukelaj.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_off000071c9.bin` `16908fbb9f57e5efb42e19fec46e1c294733dfd4c7a4a2d5a6312e44b3115a83`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x71C9	8892 bytes
`font_01_sfnt_off000092ec.bin` `d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92EC	2616 bytes

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