PDF malware analysis — malicious · 30186ebd3d90aa54

MALICIOUS

PDF

45.0 KB Authoring application: PDFBox First seen: 2021-06-17

MD5: c3bd47f2b87d0b3987ab0b1dfeada08b SHA-1: e1efc21b21a5852ede042ca89cea4c11ae7ffb51 SHA-256: 30186ebd3d90aa54246c7863998ea10129a1b9dff788b1250817e23f503e7781

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing attempt. It contains a large number of embedded URLs pointing to external PDF files hosted on Weebly, suggesting a link farm or a distribution mechanism for further malicious content. The embedded URLs are likely intended to redirect the user to malicious sites or download additional payloads.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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.
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 https://vezitukub.weebly.com/uploads/1/3/0/2/130289663/kupok.pdf In PDF document text
- https://gutinodimoke.weebly.com/uploads/1/3/0/4/130483277/3527154.pdfIn PDF document text
- https://dizagekidag.weebly.com/uploads/1/3/0/4/130488153/xukuxuzogov.pdfIn PDF document text
- https://xafupujofuna.weebly.com/uploads/1/3/0/4/130489522/pigatobinijudu-lagadotuwojij-wididosagog-jikiwobolagij.pdfIn PDF document text
- https://fosonurovu.weebly.com/uploads/1/3/0/4/130488565/f54ae9e8ac.pdfIn PDF document text
- https://sodoxute.weebly.com/uploads/1/3/0/4/130483847/pusamegotew.pdfIn PDF document text
- https://fomakumu.weebly.com/uploads/1/3/0/2/130289265/jafumaxikupufozotoz.pdfIn PDF document text
- https://rudulakafulala.weebly.com/uploads/1/3/0/3/130379517/b3813b914d9f74.pdfIn PDF document text
- https://komekijo.weebly.com/uploads/1/3/0/2/130287882/bamavepugapipe_wivuzopez.pdfIn PDF document text
- https://waxofelit.weebly.com/uploads/1/3/0/3/130323526/5b300c.pdfIn PDF document text
- https://doferidejewuna.weebly.com/uploads/1/3/0/4/130476984/7039677.pdfIn PDF document text
- https://fokupogudav.weebly.com/uploads/1/3/0/4/130477890/575fa5b082d5.pdfIn PDF document text
- https://nokatubesid.weebly.com/uploads/1/3/0/3/130323381/xomaremezatusozi.pdfIn PDF document text
- https://munenekoxapaw.weebly.com/uploads/1/3/0/2/130289256/juponuraxonaze_xobava_xolubigurib.pdfIn PDF document text
- https://nuwinedelid.weebly.com/uploads/1/3/0/4/130483299/kufadaxup-difeniwakeponu.pdfIn PDF document text
- https://zeguzofelebo.weebly.com/uploads/1/3/0/4/130436182/lirajijulul.pdfIn PDF document text
- https://lajanizojozap.weebly.com/uploads/1/3/0/4/130476114/f8c61.pdfIn PDF document text
- https://wasovizikabimil.weebly.com/uploads/1/3/0/3/130323518/130323518.html#a+holistic+review+of+network+anomaly+detection+systems+a+comprehensive+surveyIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000014e3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14E3	8020 bytes
SHA-256: `2a6753ee43d948049d51dc250c7001ea3135303ca772fbcb79056ccb6c384ab9`
`font_01_sfnt_off000068da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68DA	16068 bytes
SHA-256: `6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60`

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