PDF malware analysis — malicious · 8636c15efefd00ba

MALICIOUS

PDF

86.3 KB Created: 2021-09-14 08:48:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27

MD5: 0560cebd279e698425d45b55e3174d0d SHA-1: b7ce201850088d2bcabd5eccab0bffb5827add7a SHA-256: 8636c15efefd00ba7893cefbfce854cc4eb840e584113af10ee223469e4713f9

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm on disposable hosting, suggesting an attempt to redirect users to malicious sites. The heuristic 'SE_URGENCY_LURE' indicates the document may use deceptive language to prompt user action, consistent with phishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9985

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://queure.ru/uplcv?utm_term=iphone+xs+uk+used+price+in+nigeria+slot PDF link annotation
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/d2m91uu20f226ado7k07g9un71/vazazidikide.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/relakoxof.pdfIn PDF document text
- http://medrea.ru/upload/files/domixunowaxenuzarizegu.pdfIn PDF document text
- http://allasclub.com/campannas/file/39718101655.pdfIn PDF document text
- http://groupelamiri.com/uploads/FCK_files/file/poziz.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/kejamewobogil.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/20231216469.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/90947886622.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/vewewozimemugewuxi.pdfIn PDF document text
- https://saunadlaciebie.pl/userfiles/file/xorolibipatumuwal.pdfIn PDF document text
- http://dtmaso.com/public_html/Imagens/file/10124142384.pdfIn PDF document text
- http://ormansagszive.hu/upload/file/xulizalusugakuzosipalon.pdfIn PDF document text
- http://freeski.hu/freeski/file/tugutelumepodewafibimis.pdfIn PDF document text
- http://djapm.com/userfiles/file/56471479932.pdfIn PDF document text
- http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/nudowasoxerubuxurasowonu.pdfIn PDF document text
- https://juraganmonyet.com/contents/files/14446850495.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/fenilebetisuvowigo.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/45375699855.pdfIn PDF document text
- http://rapet.hu/files/kekujexetukaj.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/rotakiga.pdfIn PDF document text
- https://agmatbaa.com/upload/files/5112562983.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e87e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE87E	11040 bytes
SHA-256: `10005561fc4c2f98af35bb143b5788372afdab683db3724bcc94f9d9d936e425`
`font_01_sfnt_off000101ee.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x101EE	18768 bytes
SHA-256: `2982c9834900278dda3d8e8d6de88c630062996d577eb35d92a53574041ebe36`
`font_02_sfnt_off00013339.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13339	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

Open this report in the interactive analyzer, or submit your own file for analysis.