MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed for SEO manipulation, likely to trick users into downloading malware. The primary malicious URL identified is https://ttraff.ru/wb?keyword=arcmate%20120ib%20manual, which is presented as a download link for an 'Arcmate 120ib manual'. While no scripts were extracted, the PDF structure and embedded links strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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://ttraff.ru/wb?keyword=arcmate%20120ib%20manual In PDF document text
- http://files.scottwardart.com/uploads/1/3/1/8/131871690/rukupasamexa.pdfIn PDF document text
- http://files.thespina.co.uk/uploads/1/3/1/3/131383294/c5adc0b7d78.pdfIn PDF document text
- http://files.janajedermann.com/uploads/1/3/1/3/131384081/xetemew_seleduwesawekib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/pugopugapepidepegetam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6706/4998/files/tofosenapob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0645/2131/files/vagek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/zelizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/turusilawujabonitez.pdfIn PDF document text
- https://legebepome.files.wordpress.com/2020/06/wexasowisatis.pdfIn PDF document text
- https://zekojepe.files.wordpress.com/2020/07/tobazofaxowopitaza.pdfIn PDF document text
- https://famunuguraj492377956.files.wordpress.com/2020/06/9984063616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/69580409113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9654/7230/files/kusexij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/73259007409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xigazisamakolomomabixefox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/50837528048.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47475247643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6385/2712/files/rinivega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6243/5739/files/11887809034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/bogaz.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_off00006e3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E3B | 4992 bytes |
SHA-256: eb178b647a07d09536a8f69fac9a4bd5cb2dc046275785adbf60b4232b6385fe |
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font_01_sfnt_off00007f0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F0F | 10488 bytes |
SHA-256: 45637479373c0ba39ec7e3503f469537921d2f21ded3858fc4501518c93ae584 |
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