MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'B.ed syllabus 2019-20 pdf', suggesting a lure to disguise the malicious intent. The primary malicious URL identified is https://ttraff.com/wb?keyword=b.ed%20syllabus%202019-20%20pdf, which likely leads to further malicious content.
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=b.ed%20syllabus%202019-20%20pdf In PDF document text
- http://files.sass-and-crafts.com/uploads/1/3/0/8/130815213/puwakujojavulazamad.pdfIn PDF document text
- http://files.climatechheatingcooling.com/uploads/1/3/1/3/131398423/c3fec48.pdfIn PDF document text
- http://files.lonsdale-estate.co.uk/uploads/1/3/1/4/131437770/7476893.pdfIn PDF document text
- http://files.eastbrooklynhousing.com/uploads/1/3/2/6/132696323/bd315056bd9dd37.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9452/4579/files/vutisojomuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/wozufisewikenexowatupevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/amplified_bible_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63912397784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3000/3358/files/nepow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/bilusowep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/lagobebewaborovivoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6385/9610/files/74620737074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8251/3561/files/english_alphabet_worksheet_for_kindergarten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4035/9068/files/xikewizunotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6795/7658/files/44506069042.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4572/5094/files/53244247917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7198/0198/files/knapsack_dynamic_programming.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DFB | 5312 bytes |
SHA-256: 8881448fa43af4d7bc23b887c1ce0d1a3ede8d192ba01fc1ff8196311fca4733 |
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font_01_sfnt_off00008025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8025 | 14096 bytes |
SHA-256: 2d302a408b8360cebe8c30f920b073654e1218e87d457079633c35250bcff28d |
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font_02_sfnt_off0000abee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABEE | 16092 bytes |
SHA-256: 0be84d2d0547f1f02aa0071b49020aaa73ac7e6a4c4dee27a4da8627c6f2d0ef |
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font_03_sfnt_off0000c0b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0B3 | 4324 bytes |
SHA-256: 8405bb6ca9a6fb718a2e910e1cdde4d74ac2122cab0061dc5f772322db9c7ccd |
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