MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=cambridge+english+empower+a1+pdf'. This URL is associated with an advance-fee scam lure, as indicated by the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic. The document body, though heavily obfuscated, also contains the same URL, suggesting it's the primary mechanism for delivering the malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9874
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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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.cc/pify?keyword=cambridge+english+empower+a1+pdf In PDF document text
- http://files.multiaxis.llc/uploads/1/3/2/6/132682171/9616310.pdfIn PDF document text
- http://files.willowsmeltingpot.com/uploads/1/3/1/1/131163976/pimejagisinilamu.pdfIn PDF document text
- http://zifazuvo.mccsignup.com/uploads/1/3/1/0/131070036/munap.pdfIn PDF document text
- http://files.moniquenicolecaston.com/uploads/1/3/1/0/131069915/sawazax_xenasugudag_jilejivo_loler.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/1/0431/8239/1451/files/29728027980.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1851/6637/files/understanding_business_statistics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4513/3207/files/deworenofosav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6982/files/dozaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/9263/4789/files/anosmia_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/pedezutujolaxevopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6032/1691/files/4609498443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7261/7637/files/xomebigosojesixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2663/5157/files/zaxiteperujunebisip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1878/6728/files/tabeer_ur_roya_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/norojakibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7708/2017/files/ravi_belagere_book_siddhartha_download.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_off0006305b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6305B | 5472 bytes |
SHA-256: 744ca647e56992e645697f3d9d397f5dcb8a750d808ec9844714f186a9b6fe88 |
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font_01_sfnt_off000642d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x642D3 | 18092 bytes |
SHA-256: 436a649e0b25bbd56e0174a41ba20a3dedecb16f5c30a08cf9fa11ba3562c844 |
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font_02_sfnt_off00067ab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67AB6 | 16580 bytes |
SHA-256: ebf4ef91c795bcdcc4f7989d10f81c6d80ce5aae900a42d0e1c2eb1684d60f06 |
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font_03_sfnt_off0006915f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6915F | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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