MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically identified as a phishing trojan. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of a link farm, disguised with terms like 'photoshop free tutorials for beginners pdf', indicates a social engineering tactic to mask the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.
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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.
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External URI info PDF_URIPDF contains an external URL action
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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.
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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://amandatravel.com/userfiles/file/86249960638.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607f53861ee0f---kisefakizul.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afd12f1f00a---61755808073.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/83d11652cbd6e7568a8f3dab66a59346/rulijamujuzaze.pdf
- http://tanriovermensucat.com/uploads/genel/files/39453125071.pdf
- http://botosani.ro/img/uploads/file/bunaxujotib.pdf
- http://bestbuyfromindia.com/userfiles/file/xinuxil.pdf
- https://contabil-fiscal.ro/mm/file/pitowiturazegizezenuwi.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2769e3471b---gujepisovipomedalibitusaf.pdf
- https://equipelec.fr/ckfinder/userfiles/files/61745696784.pdf
- http://asianmosaicnyc.com/userfiles/file/8004453598.pdf
- http://iwaandccareunion.com/clients/57137/File/buxopukiropenufelijipin.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073b487af3d0---vitasi.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16082e90f07d25---monoletesiduvekow.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/62fb97e23fd58ab2bfbb89a92b41e3b7/13123488306.pdf
- https://sapsda.org/SapmaUserfiles/file/1947217953.pdf
- https://baatco.com/ckfinder/userfiles/files/2116464323.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/mvg74msr735bc3pilqsejomhu3/81051313684.pdf
- https://rocksoliddesigns.biz/userfiles/file/nadifevesala.pdf
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/rofojipafakarifuzuf.pdf
- https://cytairtool.com/test/userfiles/file/20210618_8f8d5.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/vlgd47frg161t9j23kvehci492/65380798183.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/52ee4bb8a7e4aba0961cb62f9d23da54/33780354225.pdf
- http://laptopcuhaiphong.vn/upload/files/jetukenesewisezoweb.pdf
- http://energo-winstal.pl/userfiles/file/zanonumewokux.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=photoshop+free+tutorials+for+beginners+pdf
- 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_off0000df63.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF63 | 16792 bytes |
font_01_sfnt_off0000f77a.bin2d0348498923d859035f6debfab85004ebc75651c3051fe7b0da6cbfa828eecf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF77A | 11016 bytes |
font_02_sfnt_off00011094.bin040935359879c453c93671f577a738acdab097f65b4cba4eba9ed48ab1f9c7d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11094 | 17692 bytes |
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