MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to lead users to a link farm. The embedded URL 'https://ttraff.cc/pify?keyword=benefits+of+shared+reading+pdf' is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'benefits of shared reading pdf' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The ML classifier strongly supports the malicious verdict.
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/pify?keyword=benefits+of+shared+reading+pdf In PDF document text
- http://files.colhenryart.net/uploads/1/3/2/7/132712129/gisogoxebowuvu.pdfIn PDF document text
- http://gujovese.greerunderwood.com/uploads/1/3/2/8/132815367/nigezenibetulofineg.pdfIn PDF document text
- http://files.breakoutrunning.com/uploads/1/3/1/4/131438216/seleto.pdfIn PDF document text
- http://files.staragricultureproducts.com/uploads/1/3/2/7/132740338/3741638.pdfIn PDF document text
- http://files.studentslibraryproject.com/uploads/1/3/0/7/130775346/xatobununujuxe.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/1/0431/6354/9847/files/lugiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/45470548213.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8346/3832/files/zisumoziwenijonuzexakani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5167/9893/files/jutuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1437/9930/files/uae_new_arbitration_law.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8351/2473/files/98955209755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0132/3420/files/10576923599.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6812/9431/files/gujiwefagaveje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6045/3785/files/mekanala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2915/8295/files/fluticasone_salmeterol_davis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1715/0357/files/rinorojaduvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/3843235761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6935/8758/files/operations_management_krajewski.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3350/9535/files/neopets_wheel_of_knowledge.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_off00007b5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B5C | 5320 bytes |
SHA-256: 47321f6277199d76ea98630d9a3ad977bd0012cd7bc8d925bad32905ac70c4fb |
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font_01_sfnt_off00008d78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D78 | 10672 bytes |
SHA-256: 93ff57044dc54e8c56a2e9d5cd1121a14480e9fd3c0a770931bf730efd2ef185 |
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