MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a large number of embedded links, many of which point to a redirector service designed to obscure the final destination. The primary redirector URL, 'https://ttraff.com/wb?keyword=jet%20propulsion%20pdf%20nptel', is flagged as malicious. The document's structure and link farm suggest a phishing or SEO poisoning tactic to drive traffic to malicious infrastructure.
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/wb?keyword=jet%20propulsion%20pdf%20nptel In PDF document text
- http://files.lakeothehills.com/uploads/1/3/0/8/130813885/d09624dfdb.pdfIn PDF document text
- http://libon.sunrawhealingdesserts.com/uploads/1/3/1/0/131070867/mivomipanigudelarave.pdfIn PDF document text
- http://files.givingandreceivinginhealthcare.com/uploads/1/3/1/4/131406082/meganis-bozuwenikifik-safuvagawalona.pdfIn PDF document text
- http://files.waldensamkite.com/uploads/1/3/1/4/131438759/3018119.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/1/0431/3081/4626/files/neuralgia_del_trigemino_diagnostico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9472/8103/files/arabic_to_english_meaning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/guwikotomidalirasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6356/5727/files/23900725091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4690/3701/files/46476811673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1808/2709/files/losaredevapewiwumujutor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/fuxadebub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3503/3757/files/ronibezupugavakise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1063/7476/files/vivotipamabejesipem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5149/1233/files/fatajekemewudibolamabujuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7832/7199/files/49075899056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5830/8006/files/12228489920.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6181/4172/files/intel_8086_assembly_language_programming.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0013/3793/files/lepebitevalaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1139/8041/files/2447031353.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
🗂 Part of campaign:
givingandreceivinginhealthcare.com
5 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6143 | 4816 bytes |
SHA-256: b0f5fcde855ce333c63463bd0f236927219cae22c54a15cc76e011bbe7bcce3b |
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font_01_sfnt_off000071b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71B4 | 11076 bytes |
SHA-256: 439871e8418868d6155ef89f0740b174aa949e170978ae3e4c619091a774d5c2 |
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font_02_sfnt_off0000972f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x972F | 17532 bytes |
SHA-256: 611421e007f1eea5121b73ca6ad559e82524a2a2d23023d032b6806d1b85ca98 |
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