MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to PDFs, suggesting a link farm or a phishing lure for downloading further malicious content. The presence of an embedded URL and the ClamAV detection further support its malicious nature, likely serving as a downloader or phishing document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://midufefew.ru/strik?utm_term=best+end+fed+antenna PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425915/normal_5fd6f51923ba5.pdfIn PDF document text
- https://tipuzivi.weebly.com/uploads/1/3/0/9/130969377/joratilam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417306/normal_6010aedf2fbba.pdfIn PDF document text
- https://cdn.sqhk.co/pusutekexu/GFchbTy/36832754547.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426813/normal_5fe36e121d2f1.pdfIn PDF document text
- https://cdn.sqhk.co/nizivatitogu/hhYhexA/97923180408.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475874/normal_60306bcf687b7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453906/normal_5ff7fd1e09805.pdfIn PDF document text
- https://cdn.sqhk.co/botonerepap/hbahyha/rick_steves_audio_europe_travel_app.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379229/normal_602546a8f09cd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382407/normal_5ff15ad984bd8.pdfIn PDF document text
- https://puwikemumej.weebly.com/uploads/1/3/1/4/131454306/gibulutimuriw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469358/normal_5fe1f09f9d9c9.pdfIn PDF document text
- http://pc-remont.website/best_graphic_design_portfolio_sitesjbkfe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488604/normal_60191a6c0f171.pdfIn PDF document text
- https://feposejixadolo.weebly.com/uploads/1/3/4/7/134744373/2153143.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/legenapi/dalepubovimiketijutaf.pdfIn PDF document text
- https://s3.amazonaws.com/kumasala/norixorubibe.pdfIn PDF document text
- https://s3.amazonaws.com/pojikovewijeja/free_printable_envelope_template_a4.pdfIn PDF document text
- https://s3.amazonaws.com/nagev/tcp_port_scan_with_nmap_report.pdfIn PDF document text
- https://s3.amazonaws.com/kifutizijebuj/xafaritojivajeterufoso.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_off0000edc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC4 | 4824 bytes |
SHA-256: f3708412bbb54b100d6e8aa4eb455384bea955495667a083724cbb9a83331e3f |
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font_01_sfnt_off0000fe44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE44 | 11208 bytes |
SHA-256: 7b082da13cd8bd4d87dd84c2aa956ebbeea7841961468a0658cf1b9819f6b471 |
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