MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/wb?keyword=new%20english%20file%20beginner%20test%20booklet%20pdf`. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous embedded links to PDF files hosted on various domains, including `cdn.shopify.com`. The document body, though heavily obfuscated, contains text suggesting it is a 'new english file beginner test booklet pdf', which serves as a lure to encourage users to click the malicious redirector. No scripts were extracted from this sample.
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.cc/wb?keyword=new%20english%20file%20beginner%20test%20booklet%20pdf In PDF document text
- http://files.innovationneighborhoodphl.com/uploads/1/3/1/4/131453022/musokexo_nepugilaguponu.pdfIn PDF document text
- http://files.lnsrc.org/uploads/1/3/2/6/132681352/8e1190a.pdfIn PDF document text
- http://xakofaba.fpdinternational.com/uploads/1/3/2/7/132710773/tisiwu.pdfIn PDF document text
- http://fetomijim.kingdomchurchtx.com/uploads/1/3/1/4/131453540/putugugoliwexin.pdfIn PDF document text
- http://files.acdapa.org/uploads/1/3/0/8/130814172/4432614.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/1/0433/0687/7080/files/tugerivedisabuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2883/9581/files/jetivafilezezuvebovexux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7194/6398/files/31466307105.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/7023/8370/files/how_to_make_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/academy_of_management_proceedings.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9292/files/32786911289.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/important_questions_for_class_12_accountancy_chapter_wise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/8984102455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/68452454458.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8607/8369/files/pdf_to_word_ocr_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/85479192824.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7854 | 5144 bytes |
SHA-256: 92825c0dd7288dad049e4168bbc4706be622ec330b84898747d99dae00ad4621 |
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font_01_sfnt_off000089d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D7 | 10412 bytes |
SHA-256: d97deb725833ebb81d7e786782c797b0628d86b5e98d192fa5d619ec3c9fe5d9 |
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font_02_sfnt_off0000ad67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD67 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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