MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, many of which point to domains associated with redirectors or link farms. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to obscure the final malicious destination. The document body, though heavily obfuscated, also contains this URL, suggesting a social engineering lure related to academic content. No scripts were extracted, but the presence of multiple suspicious URLs indicates a phishing or redirection attack.
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.com/pify?keyword=parametric+design+in+architecture+fundamentals+methods+applications+pdf In PDF document text
- http://tuvezox.metafarms.com/uploads/1/3/0/8/130815017/3310d33e96b15d.pdfIn PDF document text
- http://xoxaru.lakechristianministries.org/uploads/1/3/1/4/131453540/9623529.pdfIn PDF document text
- http://karedupo.broadwaysilkens.com/uploads/1/3/0/8/130874633/pebepakokemuvu_voviwum_zajus.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/1/0434/1458/5509/files/asterix_le_gaulois.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/doxawinekodaxoxamituveji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3761/3461/files/legironurifidunupuwadunud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2168/9254/files/tulojigejasigaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/fasolakiralubutamok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6674/4216/files/mpsc_sports_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6197/8023/files/lasegibazavusuwefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0364/0984/files/trumpet_voluntary_organ_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1790/3008/files/xolewejabopezulabele.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1431/5422/files/35596218731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4479/7600/files/semariramalozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1878/6728/files/social_media_marketing_presentation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0644/1110/files/ssh_authorized_keys_permissions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4638/7367/files/plymouth_road_test.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_off000073b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B8 | 5568 bytes |
SHA-256: aaea8669140d978e1a780f116d033dcf1f8e357a0ed653673b23542d3c5e7ffe |
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font_01_sfnt_off0000867f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x867F | 9860 bytes |
SHA-256: 82621a6de6c080e89c0eff95b652933a2af8fedcf3461687b2f53c9672317c71 |
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