MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to distribute content or phish users. The primary redirector URL, 'https://ttraff.cc/wb?keyword=books%20and%20authors%20for%20ssc%20cgl%202018%20pdf', is flagged as malicious. While no scripts were extracted, the PDF structure and embedded links strongly suggest it's designed to lead the user to a malicious site, likely for phishing or further malware delivery.
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.cc/wb?keyword=books%20and%20authors%20for%20ssc%20cgl%202018%20pdf In PDF document text
- http://files.speckaylighting.com/uploads/1/3/1/3/131397946/mexafuzuwobu.pdfIn PDF document text
- http://files.zeroinfections.org/uploads/1/3/0/7/130739120/zoxuxokek-naxazuxazo-rukemisi.pdfIn PDF document text
- http://files.teammascoutahorganization.com/uploads/1/3/0/7/130739456/de32b83f7b3e.pdfIn PDF document text
- http://files.mikesalsgiver.com/uploads/1/3/1/3/131379443/1378367.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/1/0430/7750/1095/files/50639835979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/71382851785.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/musigusuwekun.pdfIn PDF document text
- https://wijelofa.files.wordpress.com/2020/07/wotefupujik.pdfIn PDF document text
- https://bifariki.files.wordpress.com/2020/06/58935948511.pdfIn PDF document text
- https://wupefosa.files.wordpress.com/2020/07/tagelisorubekixoluvel.pdfIn PDF document text
- https://nagivujopig.files.wordpress.com/2020/07/wufoxoderusoxog.pdfIn PDF document text
- https://jikizazona.files.wordpress.com/2020/06/jabapejonibidadezim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6980/0597/files/mimeresanexalow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/82810858878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/87473654771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4818/8569/files/nogigopexupadanet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/89580319555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gijamibumiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8348/0736/files/moxuzajabusagoto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6300/8664/files/jepovaxufazelom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wajafaliwufenosikem.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_off000092f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92F3 | 5768 bytes |
SHA-256: 6789d02d6cc97f6529ae01515442082f954cda11d72a0bdb5879d59a80c99165 |
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font_01_sfnt_off0000a68b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA68B | 10156 bytes |
SHA-256: 6198f46349c55b10bda8d89d28320362f93a38bd6ec436c0cbfbca4dfc80c7cd |
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