MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to SEO redirectors, indicating a link farm strategy. One prominent URL, 'https://trafftec.ru/123?utm_term=comparing+the+english+colonies+of+the+new+world', is identified as an SEO redirector, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://trafftec.ru/123?utm_term=comparing+the+english+colonies+of+the+new+world PDF link annotation
- https://rotafejejulivis.weebly.com/uploads/1/3/4/5/134599198/duvidiretejubemawe.pdfIn PDF document text
- https://zupusifeduligam.weebly.com/uploads/1/3/4/3/134313264/1556974.pdfIn PDF document text
- https://povozunalurowub.weebly.com/uploads/1/3/4/6/134665666/8de685a.pdfIn PDF document text
- https://gasodugolulo.weebly.com/uploads/1/3/4/3/134375537/giwijabolodojef.pdfIn PDF document text
- https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/1349961.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/murudute/19716515046.pdfIn PDF document text
- https://s3.amazonaws.com/xopugup/70680009057.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34e00bb2-493d-43b7-adba-ee1f5bafc029/terakel.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/cessna_210_parts_catalog.pdfIn PDF document text
- https://s3.amazonaws.com/gorajikunobixi/sivoxivawo.pdfIn PDF document text
- https://s3.amazonaws.com/lewuli/falefotanetalofevajajero.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13236 | 5472 bytes |
SHA-256: 9ba8879316b2f988c3d9a6deb525896366edc77d8a03492f7de25c75621f1913 |
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font_01_sfnt_off000144b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144B3 | 10284 bytes |
SHA-256: 5cfbc844ec23a46308ba1a6f9319f052461073456da095a775845a0af2e6ee6b |
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font_02_sfnt_off000167ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167CE | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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