MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute further malware. The presence of external URIs and the overall structure point towards a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://crewmak.ru/uplcv?utm_term=telugu+novels+download PDF link annotation
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160700705bae46---pubezutopil.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16092371ea99c3---foredewivijilotug.pdfIn PDF document text
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a30ad8a42ef---67579297945.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tqua5rr5lv3fpi74j9ub776m21/93624639306.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/dupuvub.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa22a90828---pebavige.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/ku7ln4m4eapioajsas4kesrmlh/dozinozijapotodu.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/ida33vopsmche5a7v14tqhbd1j/dosurolapamuma.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/4890863a27c1dd993c15327d7c5d4014/73827851493.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b211c433903---43602313765.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/9d36358992303f7788d332256e76eb63/vitivesepefufozadu.pdfIn PDF document text
- http://border-inn.com/CKEdit/upload/files/nadejemipuxixinutotejudi.pdfIn PDF document text
- http://aqs-group.it/userfiles/files/zelix.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/gizuxotedavofodepirize.pdfIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0000e1e3.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE1E3 | 19804 bytes |
SHA-256: 9c74439225b3bc0aa333d99baedbba4734f2b4ea0844430c9e84204a1fa625a0 |
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font_00_sfnt_off0000d0ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0BA | 4996 bytes |
SHA-256: dc2a5b76157db59a43e5a3b54bfd6230d72ff86185bf9f40a03211dd7de7c6de |
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font_02_sfnt_off00010e47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E47 | 12188 bytes |
SHA-256: 8528a0d2d8984327e7fbf82cfdf28f5b64744efec4e5d588cd121315ff87e6a2 |
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font_03_sfnt_off00012dd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD4 | 10592 bytes |
SHA-256: bf62748b7ee798dc4b2def09e6804a803ee3c76be0a850f2520c0f383ba259de |
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