MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple compromised WordPress sites, suggesting it is designed to lure users to potentially malicious content. The presence of external URIs and a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9746
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 https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/18d3b51be4f8af1d1c9cf7f8a8dd96c3/92894887974.pdf
- http://aucoindeshalles.fr/menu/file/84455123641.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/rrv9jkrideha6nuo1dpl1jd04t/rejenabederabizifupiriras.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b42cc13c322---80498327427.pdf
- http://profil-metall.de/content/uploads/file/96027278669.pdf
- http://zuche0551.com/upload/file/bevepifivesixokosumokumur.pdf
- http://studiomalpocher.it/userfiles/files/xinigat.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b609362511f1637eded23b1bdd8ef401/75109079089.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9896d17046---73355441947.pdf
- http://gagutp.com/sa_upload/userfiles/file/20210623005849.pdf
- http://mid-europe-ex.com/images/blog//file/90217339168.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16080d552bfee3---57233727334.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/3v5csalptg9jer1tdcuv0t152o/mepajato.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081e5700f868---gokizexudunawoxosigoziju.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f297216160---jirapinotabipevorud.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c4e41dfe8---59041120538.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/f20a1594b18ac7f7d9dee35423c1d709/49807624520.pdf
- https://ht-cooling-j3t.com/contents//files/9582618282.pdf
- http://yulintimber.cn/d/files/94652490946.pdf
- http://szao-spb.ru/images/news/file/22088215325.pdf
- http://ilturismoinitalia.it/userfiles/files/banodifetigofik.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608069f6d9121---logufagavo.pdf
- https://mama-light.net/business_school/uploads/file/venexovakifomu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=the+meaning+of+at+least
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00013d17.binfae7e65a0bb2c644cb023f7b5a41ba5fc23af01a01c2fba3e656744cf59c3475 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x13D17 | 24632 bytes |
font_00_sfnt_off0000fb28.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB28 | 16792 bytes |
font_01_sfnt_off0001133f.binf569a3150838f851f6476e81512a07a76f06a8aefd7b16ad8fd5394cf8208350 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133F | 10524 bytes |
font_02_sfnt_off00012af9.binc698164fd142dee593497aeb1faca580b10386978a5e7b7480d7b5172a8abd7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AF9 | 4816 bytes |
font_04_sfnt_off00016bfb.bin24c94d6a877726a165efbbb8325b55f790f70fe8ff2fc7f9e03c134b766b2f11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16BFB | 28096 bytes |
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