PDF malware analysis — malicious · 385cb57f14dc1c2e

MALICIOUS

PDF

81.0 KB Created: 2021-09-17 07:43:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27

MD5: 752de330e698e6de3304e0bb624dcac2 SHA-1: 1c142c2cc820d64e50650b4d080c544e8f7723b2 SHA-256: 385cb57f14dc1c2eea1ab0a53ad9b3761bfdd5bc286e37a168d84e6b588c73e9

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file was detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous embedded URLs, many of which point to disposable or unknown domains, and is flagged as a link farm. The PDF structure and embedded links suggest an attempt to redirect users to malicious sites, likely for phishing or to download further malware. No scripts were extracted, but the overall structure and heuristic firings strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier suspicious score 0.3272

Heuristics 4

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.
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 https://samsungklimalar.com/upload/ckfinder/files/72261450626.pdf In PDF document text
- http://wisdomtours.net/upload/file/sewikuxijenijosefulip.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613ece0308e73---kowixogerasasaxix.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/sixogikakozegikasejomim.pdfIn PDF document text
- http://agilesolutions.in/uploads/49780231567.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/27713342421.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/42655782938.pdfIn PDF document text
- http://amy-tsai.com/images_express/userfiles/files/seleropudo.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210911155000.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/61764133133.pdfIn PDF document text
- http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/bexezosudiwaguwubilun.pdfIn PDF document text
- http://juentai.com/userfiles/files/tokepi.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/takupitenupobepexamiwupe.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/18867803563.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/31879432707.pdfIn PDF document text
- https://rugerwafers.com/demo/ruger/beta/userfiles/files/wosinukafazarejazaraxotot.pdfIn PDF document text
- http://talani.nl/userfiles/image/file/fanovukinikij.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/mizizamov.pdfIn PDF document text
- http://efrex.cz/files/file/45634584085.pdfIn PDF document text
- http://mamitobe.ru/files/file/puzavezakimon.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/8205775949.pdfIn PDF document text
- http://www.taxivanclass.com/uploads/ckfinder/files/69419938902.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/17903694968.pdfIn PDF document text
- http://humansharehouse.com/userData/board/file/94571483077.pdfIn PDF document text
- http://jlm-kg.com/uploads/file/panuzupabo.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/pevisaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=utorrent+apk+for+pc+64+bitPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cddb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDDB	10744 bytes
SHA-256: `f7c2b0a78975a221ae8d28aa3d47cc24c53d012dc5bed04f071741c075d01693`
`font_01_sfnt_off0000e67b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE67B	24236 bytes
SHA-256: `8bd0aad19874adfa01abe3732b572810706f2cf7ee25215a3c170b999fbb58fc`
`font_02_sfnt_off0001225b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1225B	2016 bytes
SHA-256: `c603dcba9f64fa4efb662abbc55aa3ef223addb97cf868c5e2067cb26bd52d9f`
`font_03_sfnt_off00012ba5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12BA5	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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