PDF malware analysis — malicious · 6d762f1dc6a6e8f5

MALICIOUS

PDF

70.7 KB Created: 2021-09-19 05:13:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27

MD5: 883a76eef6bf3064d91bf4ea1ccac8d8 SHA-1: 3c74dc9eb77f6a98ddcfa159bcb16d41170dbb29 SHA-256: 6d762f1dc6a6e8f5072913ce270a1f4084f8c11f17822cf27f5f79cb6e1e5b71

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains numerous embedded URLs, many pointing to potentially malicious domains, indicating a link farm or redirection scheme. Heuristics flagged it as a link farm on disposable hosting and a potential phishing/malware distribution vector. The ML classifier and ClamAV detection further support its malicious nature, likely exploiting PDF vulnerabilities to redirect users.

Machine Learning

Nyx PDF Classifier malicious score 0.7987

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 http://abwjefferson.com/uploads/files/bezevavifuxanesote.pdf In PDF document text
- http://mikomisushi.com/uploads/files/gavoziso.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9ca74f07a---vixudiganirovu.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/48199824901.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/junusebizuvixifixusipar.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/pulepiguzabigesotuweb.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/voranifawowara.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/mipetoxo.pdfIn PDF document text
- http://llux.vn/uploads/files/5803124502.pdfIn PDF document text
- https://steammining.com/userfiles/file/musowipevuza.pdfIn PDF document text
- http://apcmagon.com/userfiles/41009939794.pdfIn PDF document text
- http://bolt-go77.com/fckeditor/userfiles/file/xodape.pdfIn PDF document text
- http://saopauloairporttransfers.com/ckfinder/userfiles/files/36356969310.pdfIn PDF document text
- http://i-tos.com/userData/board/file/61503883619.pdfIn PDF document text
- http://aimic.com/userfiles/file/ginujokikumosojuji.pdfIn PDF document text
- http://papierplus.pl/userfiles/file/sazewinisiposewejipar.pdfIn PDF document text
- http://bckbytow.naszbip.pl/img/upload/files/70448269456.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e80ba4cdb4---12016696912.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/keragajojebinatobasovu.pdfIn PDF document text
- https://dukupahit.com/contents/files/30305918831.pdfIn PDF document text
- http://huanghels.com/filespath/files/20210911185054.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/zoluji.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/lotofutedipufoxepagudi.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/83395238322.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=haircut+salon+near+me+open+nowPDF link annotation
- 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_off0000bec5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBEC5	10712 bytes
SHA-256: `9c4e4166ee9304d346431fc1335c43cf6e073f1c2b3eec508151385e28e4af07`
`font_01_sfnt_off0000d762.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD762	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0000ef74.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF74	17208 bytes
SHA-256: `193abbdcf4ae42e668b6473dfeb70af4d419980e56cd7077accc281a21666d1a`

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