MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised WordPress upload directories. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The presence of numerous unknown URLs suggests an attempt to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
-
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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_URIPDF contains an external URL action
-
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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_URLOne 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://tz5168.com/uploadfile/image/2021/05/14/file/20210514_193417_100.pdf
- http://studiogaleazzo.eu/userfiles/files/rofosuzar.pdf
- https://bibliotheque-des-arts.com/ckfinder/userfiles/files/bonusawaxofodes.pdf
- http://drairtools.com/ckfinder/userfiles/files/datetobolibajeku.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/4gio3jm4hb64alidd22tpg6k4r/novonowujegepafasafefa.pdf
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/4237564763.pdf
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/wobovus.pdf
- http://przychodnia-felinskiego.pl/uploads/editor/file/26645775097.pdf
- http://transinfosoft.com/userfiles/file/gujewiri.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbb437194f---nuxaniroxepurepasiri.pdf
- http://myflora888.com/ck_files/files/febononapamibovaguv.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/aibuca370d740hegpi2httub85/metebikilexunujib.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f24c807b793---94442294374.pdf
- http://winecellarkeeper.com/ckfinder/userfiles/files/62350671454.pdf
- http://bhavalaya.org/ckfinder/userfiles/files/30739185496.pdf
- http://www.masozilina.sk/ckfinder/userfiles/files/japeguvinugox.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ef91c2e87---vositadizuxokarowejo.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779dad87d96---moditutenalositu.pdf
- https://wipaphun.com/UserFiles/File/kaxuxukarofifuluda.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a93e755596---rifaregilesujeg.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/cbe9f2f56d66cba9901fa788e078d17d/29446411384.pdf
- https://kawanmto.net/contents//files/dafudi.pdf
- http://divapharma.com/uploaded/file/silozipanamavixibozeter.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/477cdf8066d06b50c233331e7607e927/paxakawizofe.pdf
- http://embeddedhr.com/ckfinder/userfiles/files/52049736861.pdf
- http://minhanh.com/files/42311387303.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+get+uber+vehicle+inspection+form
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fac4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC4 | 16792 bytes |
font_01_sfnt_off000112d6.bin4ae6f832bbf732d626971f03da4ab1f98ae34160863512db1672cf5407c1f251 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112D6 | 17864 bytes |
font_02_sfnt_off000141ac.bin17b639f7ba817f7e40b6376e12bedb51313fee7b7869331ccc26b3cce761c91a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141AC | 11148 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.