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 'ttraff.cc'. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a video game guide. The PDF also contains a large number of external links, many of which point to Shopify domains, suggesting a link farm for SEO manipulation. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=akiba%2527+s+trip+undead+undressed+ending+guide In PDF document text
- http://files.i4ingenuity.co.uk/uploads/1/3/1/1/131164531/a117ab0a5ae.pdfIn PDF document text
- http://vesez.galaxyexplorationsholdings.com/uploads/1/3/1/4/131406286/8856324.pdfIn PDF document text
- http://files.grignonmansion.org/uploads/1/3/0/7/130775859/4108081.pdfIn PDF document text
- http://sugajix.innyoutybrollie.com/uploads/1/3/1/3/131380845/df37d7f606d95c.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/1/0438/8945/9368/files/92093339097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5345/7320/files/cambridge_english_advanced_3_student_s_book_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5771/6117/files/46231232548.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6580/2905/files/biriduk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0965/4440/files/bihar_si_previous_year_question_paper_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9938/2170/files/91050034233.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2170/3067/files/85295969362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9608/8481/files/ashokan_farewell_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4809/2323/files/transformation_of_sentences_affirmative_to_negative_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5165/4047/files/bloqueo_av_de_alto_grado.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB0 | 16720 bytes |
SHA-256: 37f61c3df9fc3080c92245c081ee21ce4d0d27f401d3520003a793d621f90fe2 |
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font_01_sfnt_off0000b4a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A1 | 5092 bytes |
SHA-256: 9fc4c64fe46444537f98c20c625c7365e74a7062364904cbe98034ed68210f0a |
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font_02_sfnt_off0000c5f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5F2 | 10324 bytes |
SHA-256: 107a0c01566ef25a9156d9b26a66a1f4d5df05b07bb0b5f2dd579edd56ac28b3 |
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font_03_sfnt_off0000e949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE949 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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