PDF malware analysis — malicious · 180707cd1e368fb2

MALICIOUS

PDF

81.8 KB Created: 2021-09-11 16:33:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07

MD5: f8816978a21914fe41abb1a5601ddca9 SHA-1: feebea970b0c5cb18aeb0e6c48ba8d9b8ba8d6ee SHA-256: 180707cd1e368fb2fbefbb83a669992dbf993bbb5108ddd498cdacc63187733d

194 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The critical heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document's intent to solicit sensitive recovery information, such as private keys or backup codes. Embedded JavaScript, detected by the 'PDF_JS' heuristic, likely facilitates this phishing attempt by interacting with the user or redirecting them to malicious sites. The numerous external links, many pointing to potentially disposable domains, further support a phishing or credential harvesting campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9981

Heuristics 7

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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://people11people.com/uploads/File/1089377143.pdf In PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/61184251712.pdfIn PDF document text
- http://imssp.by/data/images/fxeditor/file/98718589975.pdfIn PDF document text
- https://sibiucuratenie.ro/fckeditor/userfiles/file/buwamujorusufogarufi.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/mejimilokewibijasal.pdfIn PDF document text
- https://harteron.ee/userfiles/file/82330655366.pdfIn PDF document text
- https://unosms.us/userfiles/file/paragagokanus.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/bozubizunivabagum.pdfIn PDF document text
- https://servauto.fr/img/user/file/zibamu.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/pabugajinomo.pdfIn PDF document text
- https://teamcode.net/upload/files/lovax.pdfIn PDF document text
- http://baoveantam.org/upload/files/41884037908.pdfIn PDF document text
- http://ndt-ultratech.com/files/kunusazazujodapu.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161374f112b215---peworewajipuzavi.pdfIn PDF document text
- http://speed-r.com/js/upload/files/96428613477.pdfIn PDF document text
- https://cargobull.cz/res/file/pesukoxuxuvunutada.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/zekote.pdfIn PDF document text
- http://tehla.eu/userfiles/file/pukazizafijikido.pdfIn PDF document text
- http://topspeed4wd.com/ckfinder/userfiles/files/ridodirelikuvogelefa.pdfIn PDF document text
- http://saikunghouse.hk/userfiles/mokekavaxasaxo.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/sozapepoxiru.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/zuxaluxavuse.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=earthlink+email+settings+for+androidPDF link annotation
- 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_off0000d709.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD709	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000ef1b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF1B	19136 bytes
SHA-256: `cb4364389867c51cccb052c9a311c89401c0a97ec3f1ba2d1a4f293a49328f86`
`font_02_sfnt_off000120e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x120E9	10876 bytes
SHA-256: `0ee5c9d33626204fd108a8e4df9f04ff815574955b4f2d4af2604f2812573446`

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