PDF malware analysis — malicious · 04e444662ba20e3e

MALICIOUS

PDF

82.5 KB Created: 2021-09-16 02:31:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23

MD5: 7f183dd93471f4a205329ce384ec5fed SHA-1: bdae5df7ed3abc4a864c44bc020926b12d88f6b9 SHA-256: 04e444662ba20e3e3bde6fa0f1e1e7df3783f4924c03aa284e2350cbed521795

134 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable hosting, suggesting a link farm designed to trick users into downloading further malicious content. The presence of external URIs and a link farm heuristic indicates a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9974

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://allytemp.ru/uplcv?utm_term=how+to+get+iptv+smarters+pro+on+firestick PDF link annotation
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bd0ca18fa---46476860493.pdfIn PDF document text
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/68743356600.pdfIn PDF document text
- https://nocrime.cntwn.org/ckfinder/userfiles/files/23348192058.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/nidaravosusiwix.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/76972393337.pdfIn PDF document text
- http://www.jasfec.com/imgs/uploads/lidizubatojuputozodiguvi.pdfIn PDF document text
- http://ge-mak.com/files/58896484347.pdfIn PDF document text
- https://pacantioquia.org/aym_image/files/53535145183.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/lonozexekovapiza.pdfIn PDF document text
- http://skisun.it/userfiles/files/91614998163.pdfIn PDF document text
- http://medizator.ru/ckfinder/userfiles/files/71296500124.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614117b510771---wimiwiwasokuvewivukupeza.pdfIn PDF document text
- http://lowchens.org/userfiles/file/wimuvinogoxeb.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/86559308528.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/mesewadapajukus.pdfIn PDF document text
- https://mandarinkinesiska.com/userfiles/file/kaxiwamimevawezofavanuzef.pdfIn PDF document text
- http://gevenschoenen.nl/ckfinder/userfiles/files/nerubewuxa.pdfIn PDF document text
- http://ned.ru/uploads/files/vukupanarekas.pdfIn PDF document text
- http://wx-test.com/upload/ckimg/files/202109121026366884.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/pegejizusugadexulitisuj.pdfIn PDF document text
- https://optimumquestsolutions.com/ckfinder/userfiles/files/rusoxonulegomig.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/2259485443.pdfIn PDF document text
- http://studiocalcinoni.com/userfiles/files/63569839687.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/liponosa.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_off0000dc40.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC40	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000f452.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF452	17556 bytes
SHA-256: `8296a976767adcedbd5e56ca9e5035362b9d73e76b66f09614f5816e8612ec24`
`font_02_sfnt_off0001223f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1223F	11012 bytes
SHA-256: `a5c0a75866057140ad88e5633087b05df1c29d90cf123845a1b1926743f9edd5`

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