PDF malware analysis — malicious · 329dffb4ba4703a7

MALICIOUS

PDF

44.3 KB Created: 2020-03-30 02:54:23 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: abd6352c2d75a6f229ee3fd7140c27d8 SHA-1: 39925b1350673370b2e6aba97d071537205f4140 SHA-256: 329dffb4ba4703a76200b9ae903882a373847f13d9facb2cc03df9145fed41e9

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious websites. The ML classifier strongly indicated maliciousness. The primary attack pattern involves luring the user to click on one of the numerous embedded URLs, such as http://hotelvic-phase2-ja.devsite-1.com/uploads/1/3/0/4/130435787/130435787.html#ciclo+del+agua+5+pasos, which likely leads to a phishing or malware distribution site.

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://hotelvic-phase2-ja.devsite-1.com/uploads/1/3/0/4/130435787/130435787.html#ciclo+del+agua+5+pasos
- http://clean-sweep-llc.com/uploads/1/3/0/5/130589260/4625451.pdf
- http://sandhoffpest.com/uploads/1/3/0/6/130603986/406d9a.pdf
- http://misadvogada.com/uploads/1/3/0/3/130379696/1899093.pdf
- http://burgangt.com/uploads/1/3/1/1/131163684/8468760.pdf
- http://ineedahomeplease.org/uploads/1/3/0/5/130551656/mufivon.pdf
- http://mariadmagdala.com/uploads/1/3/0/3/130313410/zelesoxasakodaz.pdf
- http://thetruthdesign.com/uploads/1/3/0/5/130550826/6505921.pdf
- http://connellpsych.com/uploads/1/3/1/3/131379381/7b3848.pdf
- http://nzsuperyachtgroup.org/uploads/1/3/0/9/130969931/kuponurax.pdf
- http://veganagogoorganics.com/uploads/1/3/1/4/131407357/6a702.pdf
- http://jballiance.org/uploads/1/3/0/2/130287896/fotupanixuwave.pdf
- http://lubaneer.com/uploads/1/3/0/6/130639966/kozapukerana.pdf
- http://renewedvitalityhhcs.org/uploads/1/3/1/1/131164024/bc3d3c.pdf
- http://centralbucksmedspa.com/uploads/1/3/0/6/130604197/mubasenomasasurapaj.pdf
- http://impressionshairandesthetics.com/uploads/1/3/0/6/130621210/fototapob_gebuf.pdf
- http://pierredesanges.com/uploads/1/3/0/9/130969757/10148.pdf
- http://anthonysgeneralcontracting.com/uploads/1/3/1/1/131164020/3641014.pdf
- http://thereluctanttransformationalist.com/uploads/1/3/0/5/130543148/zakaziluratumad.pdf
- http://mickkok.com/uploads/1/3/0/5/130538950/8242303.pdf
- http://triwholehealth.com/uploads/1/3/0/6/130621486/juxuxefegarame.pdf
- http://arohacoaching.net/uploads/1/3/0/8/130814754/2111567.pdf
- http://trishbenedik.net/uploads/1/3/0/9/130968933/222122.pdf
- http://ellensburgduilawyer.com/uploads/1/3/0/7/130739284/1330114.pdf
- http://zoeapos.com/uploads/1/3/0/2/130271061/kelajimaromujiw.pdf
- http://mncheesemakers.org/uploads/1/3/0/6/130640236/8863278.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_off00008317.bin` `7a3b372f6b2504da8f77dd82818884298ee17433925a9b185d8389c24d0730db`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8317	8564 bytes

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