MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a language learning resource. This indicates a phishing or social engineering attempt to direct users to malicious infrastructure. The PDF also contains a large number of links to other PDFs hosted on Shopify, likely part of a link farm to improve search engine ranking for 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/pify?keyword=belajar+bahasa+inggris+pdf In PDF document text
- http://tawubi.polarbands.com/uploads/1/3/1/4/131453194/majig-jopapepavala.pdfIn PDF document text
- http://files.colinjlmccartney.com/uploads/1/3/1/4/131437926/3dbbedf2a6e6.pdfIn PDF document text
- http://files.annemariewalter.eu/uploads/1/3/1/3/131379540/zaber.pdfIn PDF document text
- http://jigimulez.realmsquestlarp.ca/uploads/1/3/1/4/131453494/reteluk_sewapoxikovur.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/1/0433/1700/2405/files/graco_pack_n_play_instruction_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/5660369355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6876/7912/files/56765476433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/9519337759.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/25367906245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6655/5556/files/79679792134.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3546/7669/files/vimizilopepimuvokulekam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5167/7856/files/wanika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1729/0407/files/85980966047.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7328/9894/files/aceptacin_positiva_incondicional.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5724/9430/files/soluvurejevajivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7286/3904/files/medical_microbiology_textbook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0379/5865/files/solavadopuv.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_off000086b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B5 | 5164 bytes |
SHA-256: 67d641eb2fe47ee709a20c6a6d8a400688435dff2599c6a2bf4cf3c461ba1286 |
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font_01_sfnt_off00009829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9829 | 10024 bytes |
SHA-256: 5c614c890fe126aca224d4ac1e50be333e21bc0e7fc3bd6c4d5b6dbaf00328a8 |
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font_02_sfnt_off0000ba73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA73 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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