MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to redirector infrastructure, including the URL 'https://traffmen.ru/123?utm_term=dynamic+periodic+table+of+elements'. This suggests a phishing or scam campaign aiming to redirect users to malicious sites. The presence of ML and ClamAV detections further supports its malicious nature, classifying it as a phishing trojan.
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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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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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://cdn-cms.f-static.net/uploads/4381748/normal_5fd5f22625baa.pdf In PDF document text
- https://vekerarefatada.weebly.com/uploads/1/3/4/8/134868636/xudavodun-juvebuzar-birafaxiwuz-juxamajatuzog.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365567/normal_5f874aea3c764.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367960/normal_5fa2444a564c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501777/normal_5fc14acbcc455.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454041/normal_5fd78a169a023.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378381/normal_5f903b74f08d5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462992/normal_5fcc0cad8b59b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381101/normal_5fc7d580a49df.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486061/normal_5fc742f8c014e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448746/normal_5fd1fa1743c1a.pdfIn PDF document text
- https://mepopuwiv.weebly.com/uploads/1/3/4/4/134499337/e743d0a5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480588/normal_5fcf9ce249fd3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476582/normal_5fc7f6bfd218f.pdfIn PDF document text
- https://traffmen.ru/123?utm_term=dynamic+periodic+table+of+elementsIn PDF document text
- http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000d7e1.bin)
- http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000d7e1.bin)
- https://uploads.strikinglycdn.com/files/33adda1d-00a7-4237-b3de-70cbd0a9cc42/11906820590.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c9ba645-e85d-4c06-b61b-da1fd0ff3ea9/water_chases_milliosmoles_definition.pdfIn PDF document text
- https://static1.squarespace.com/static/5fceeb561c15f507d7680ad6/t/5fd6acbb72b1137fa981707d/1607904450513/kevegafupuwabeja.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc392da27a199023ac63631/t/5fc59c059b1ed035389e3399/1606786054087/spyzie_pro_apk_mod.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 extracted file (font_00_sfnt_off0000d7e1.bin)
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E1 | 5540 bytes |
SHA-256: 93eef30941600fc960c6284b01dce11649a1116a5416150b13d819a9761ecf92 |
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font_01_sfnt_off0000eaae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAAE | 10820 bytes |
SHA-256: c61496fafa1a552c078349cd843dc34a17db7e7bdbe526842f0c1c9230450473 |
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