MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many hosted on disposable domains, indicating it functions as a link farm. The presence of a ML classifier flagging it as malicious and ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a malicious intent, likely to direct users to phishing sites or download further malware. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, but no direct executable scripts were found.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://inwebjor.ru/pbw?utm_term=writing+better+lyrics+ebook+free+download PDF link annotation
- https://kikokemez.weebly.com/uploads/1/3/5/3/135331375/povosom_nezusakurofunuk_kafosoredojar.pdfIn PDF document text
- https://puvovajol.weebly.com/uploads/1/3/4/0/134040332/divoka.pdfIn PDF document text
- https://birifukuko.weebly.com/uploads/1/3/1/4/131453348/484026.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460055/normal_603705e484e8c.pdfIn PDF document text
- https://boxomuti.weebly.com/uploads/1/3/4/0/134016719/6016569.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369919/normal_60537809d2192.pdfIn PDF document text
- https://pasodevoz.weebly.com/uploads/1/3/5/3/135345373/cda23dd72de.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4495691/normal_60b1cd3647389.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463812/normal_60301f04261a1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451927/normal_5fe78bcb8e866.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401973/normal_605fee7430fca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383147/normal_606e8285da313.pdfIn PDF document text
- https://puxomesepose.weebly.com/uploads/1/3/5/9/135977076/wapetitimezitufip.pdfIn PDF document text
- https://sanuvexugivi.weebly.com/uploads/1/3/1/6/131606490/sexibudewuwoz_sasepimokobom_wobisozob_mumusejavu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454299/normal_60bf6719ca402.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://ronuzexem.pbworks.com/f/65746656758.pdfIn PDF document text
- http://litorabi.pbworks.com/w/file/fetch/144781491/8476477207.pdfIn PDF document text
- http://gawalutibig.pbworks.com/f/hammer_of_thor.pdfIn PDF document text
- http://zapibibilubo.pbworks.com/w/file/fetch/144620973/how_to_write_a_payment_agreement_letter.pdfIn PDF document text
- http://bemulopawed.pbworks.com/w/file/fetch/144462537/83585597316.pdfIn PDF document text
- http://gitixofipoxu.pbworks.com/w/file/fetch/144611118/pawukasoviw.pdfIn PDF document text
- http://famukaser.pbworks.com/f/fbise_new_date_sheet_2020_9th_class.pdfIn PDF document text
- http://kunozulig.pbworks.com/w/file/fetch/144614571/biblical_meaning_of_dog_feces_in_a_dream.pdfIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFEE | 5600 bytes |
SHA-256: a155330bc9578b6e9dd409c857a0c0e4819dd45f3d9519de1b81fbf49865b7db |
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font_01_sfnt_off0000f331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF331 | 10312 bytes |
SHA-256: e00ac35ca47828330e89a82298adffbca780079734e3e63980677c25105713fc |
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