MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to redirector infrastructure designed to obscure the final malicious destination. The primary redirector URL, 'https://ttraff.ru/pify?keyword=classroom+action+research+proposal+pdf', is flagged as malicious. This suggests the document is part of a phishing campaign, likely using a "free download" or "research proposal" lure to trick users into clicking the malicious link, which then leads to further compromise.
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/pify?keyword=classroom+action+research+proposal+pdf In PDF document text
- http://files.drallisonreidchiropractor.com/uploads/1/3/2/7/132740685/lawur_rudimamofaxis_zibemi_tupijurifives.pdfIn PDF document text
- http://bezotaba.doitallpressionals.com/uploads/1/3/0/7/130776485/55a095.pdfIn PDF document text
- http://files.allamericanhousesitters.com/uploads/1/3/1/8/131871786/6762086.pdfIn PDF document text
- http://fefozut.lldmshakopee.org/uploads/1/3/0/8/130814788/kerekonebob.pdfIn PDF document text
- http://files.tuslawmustangsfootball.com/uploads/1/3/1/8/131871992/638843e.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/1/0434/7727/0692/files/muvovunop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0486/files/gujetogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6241/9863/files/70108318888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/radeziwiwilajumigetadad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3560/5664/files/kevizukubuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4803/2666/files/decimal_addition_and_subtraction_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6799/7344/files/kevelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5679/0695/files/42326171466.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2442/4853/files/41800176464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/3348/1636/files/bf_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3103/6053/files/4213168216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3332/9817/files/albumin_transfusion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0632/8995/files/96989439388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5869/1232/files/cartooning_philosophy_and_practice.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3564/8409/files/1869286874.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_off0000a624.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA624 | 5300 bytes |
SHA-256: d0a4e0ed1792e422321fc461170edd0371144b697161c078dfe018b2c9d24235 |
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font_01_sfnt_off0000b7fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7FC | 10252 bytes |
SHA-256: d29b65e49e9dc86d9e24c640560609dde82e3de66bb5c9895c27881fe9ea24dc |
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