MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, indicating it is likely a phishing or malware delivery attempt. It contains a link farm designed to redirect users to potentially malicious sites, with one prominent URL being dafemum.ru. The document body, though partially corrupted, suggests a lure related to "Cummins x15 service intervals hours", likely to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=cummins+x15+service+intervals+hours In PDF document text
- https://cdn-cms.f-static.net/uploads/4448727/normal_602cf590a14ba.pdfIn PDF document text
- https://teraxamexad.weebly.com/uploads/1/3/1/3/131380600/dfe5bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388421/normal_5fd30f3e5aedd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412161/normal_605a4ba11b771.pdfIn PDF document text
- https://favimorujupufu.weebly.com/uploads/1/3/2/7/132710565/74d80e4aaf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489409/normal_603fbcaf68b52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422161/normal_600a1494f0931.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459469/normal_6033e7c5a2794.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464877/normal_5fdda94a64691.pdfIn PDF document text
- https://furedanoduribi.weebly.com/uploads/1/3/4/6/134681858/490b09a5b5e1809.pdfIn PDF document text
- https://vudefuzafovafid.weebly.com/uploads/1/3/4/6/134630521/7467003.pdfIn PDF document text
- https://gerunujixode.weebly.com/uploads/1/3/1/6/131606408/bawonigolimosizef.pdfIn PDF document text
- https://zujujoweb.weebly.com/uploads/1/3/5/2/135297083/20f5ec39baf02.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481684/normal_600dd2d58c895.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bejexe/bagadiya_ke_dere_mein_ragni.pdfIn PDF document text
- https://s3.amazonaws.com/nefomojuwet/14825737008.pdfIn PDF document text
- https://s3.amazonaws.com/jinabisura/father_s_day_worksheet_for_preschool.pdfIn PDF document text
- https://03aaa7dd-6608-466c-a68c-f41c59811c05.filesusr.com/ugd/ae15ca_e9acf89949ee4c499a9cb0adba67745c.pdf?index=trueIn PDF document text
- https://cd29ef07-728f-4a0b-b57b-23e770395c36.filesusr.com/ugd/f14cf6_8e4fd59b7db149b195416e99604d0023.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bidurudilidujug/flash_platformer_games_online.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_off0000efbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBD | 5248 bytes |
SHA-256: b87a6bba7d6e5655cff20801dc0244a571c78894d8c1dfab85ebdab30cd1cf95 |
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font_01_sfnt_off00010178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10178 | 10940 bytes |
SHA-256: 41b508bacd20a0368e48f3a06efc700125120283918438055a06b088d481cd18 |
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