MALICIOUS
202
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, suggesting a phishing or scam attempt. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=gate+xe+2016+answer+key', which is used as a lure for a free download. Although no scripts were extracted, the PDF structure and embedded links strongly suggest an attempt to redirect the user to a malicious site, likely for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/pify?keyword=gate+xe+2016+answer+key In PDF document text
- http://files.gobarespaonline.com/uploads/1/3/1/4/131453247/vepewesigojutav.pdfIn PDF document text
- http://files.chunkyharmonies.com/uploads/1/3/2/7/132740172/4bf31.pdfIn PDF document text
- http://files.antiquefairscornwall.co.uk/uploads/1/3/2/6/132682303/5383172.pdfIn PDF document text
- http://files.playtherapyworks.com/uploads/1/3/0/7/130775503/xogixo.pdfIn PDF document text
- http://files.oibaws.org/uploads/1/3/2/6/132682171/felopubap-mexor-jokapezupaj-zovemesituzifu.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/1/0433/0664/7707/files/mixed_tenses_exercises_present_past_future.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7204/2661/files/5682213403.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7963/9967/files/jilerasuzawisukosonazunip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6705/6028/files/netufudiwuxirusavewerazan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3427/9062/files/liralu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3762/0386/files/nebibelinogubub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3482/7162/files/eragon_book_2_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6612/9574/files/nafasofale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1817/4107/files/aprenda_a_desenhar_pessoas_guia_completo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7055/3250/files/gobuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1970/6269/files/cape_cod_times_traffic_report.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000672b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x672B | 5484 bytes |
SHA-256: ca68e4b8c751f0afc5a8bc70f8bd94ba556dd1dd894e26ed739a4149e6e21e34 |
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font_01_sfnt_off00007a03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A03 | 2320 bytes |
SHA-256: 5e067315a2bd9524b6254977960f062bb129990ed69868068e29b4596197f3c8 |
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font_02_sfnt_off00008456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8456 | 11860 bytes |
SHA-256: 2fb046786815360951fd89ceaf14390aa79330ec41dc13f845f324c569c626e0 |
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font_03_sfnt_off0000aab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAB6 | 16224 bytes |
SHA-256: a349519ccbdbca3d75704c2becf615ab37801eb1543272228454131dceb83acc |
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