MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though heavily obfuscated, contains text related to an economics syllabus and includes the same malicious URL. This suggests a social engineering lure to trick users into clicking the link, which then redirects to malicious infrastructure.
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.com/wb?keyword=class%2012%20economics%20syllabus%202019-20%20pdf In PDF document text
- http://files.leverageleadership.org/uploads/1/3/1/8/131871618/fatopoxopovazib.pdfIn PDF document text
- http://files.icater2youtravel.com/uploads/1/3/0/7/130739986/saninaja_dikesudes.pdfIn PDF document text
- http://files.raisabreslava.com/uploads/1/3/1/3/131378776/rimezulup.pdfIn PDF document text
- http://files.larklandsroofing.co.uk/uploads/1/3/1/3/131379940/ninefodiv.pdfIn PDF document text
- http://files.kaufmanautogroup.com/uploads/1/3/0/7/130775639/foxakipa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2631/7473/files/teralegekogabipesovosovos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1791/8870/files/bridge_to_terabithia_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6160/4505/files/zoo_tycoon_complete_collection_download_full.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3133/0969/files/83640988785.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2460/5599/files/tb_lymph_node.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4817/9611/files/bayesian_reasoning_and_machine_learning_solution_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9403/2040/files/allan_kardec_book_of_selected_prayers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7132/3808/files/winuzazumuzilavasifososa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/44395829282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8603/5621/files/66576735315.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/norumugukuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5501/4298/files/50154199300.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000765f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x765F | 5868 bytes |
SHA-256: 329a1d7c453fb9aefa9795c266e0f28aa3b2ddedca5cdbe06c3ea6548c738ad2 |
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font_01_sfnt_off00008a45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A45 | 6068 bytes |
SHA-256: d2d10b6b0c668cf26faa9347c7054f8580c7eefa5cb7aecda2a4fba74bd025f0 |
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font_02_sfnt_off000099f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99F6 | 10256 bytes |
SHA-256: c91d5b1980be2230fc470f9251e73b940dc3ea7976f77738c4030807025fd90e |
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