MALICIOUS
134
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.com/pify?keyword=hailstone+sequence+java'. This indicates the document's primary purpose is to lure the user to a potentially harmful external site. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the lure beyond the redirector. The file was generated by wkhtmltopdf, suggesting it might be a generated document rather than a traditionally authored one.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 4
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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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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=hailstone+sequence+java In PDF document text
- http://files.kategater.com/uploads/1/3/2/6/132696465/gexodufasu.pdfIn PDF document text
- http://files.modernbarandhome.store/uploads/1/3/0/9/130969706/nikurilidexubavejema.pdfIn PDF document text
- http://files.clickcouriers247.com/uploads/1/3/0/7/130738835/8849626.pdfIn PDF document text
- http://files.milandragicevich.com/uploads/1/3/1/1/131163878/boridozapofopu_fuselituzubegoj_wasomikuw_wexapa.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/1/0433/1218/5499/files/vasivinire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0185/5646/files/tolefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22537170944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6482/6773/files/75213007999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6471/2616/files/78679331552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5121/9104/files/kudobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9857/0909/files/17578434922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4386/4224/files/prot_paladin_talents.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5180/3033/files/65359383020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/dekivuwixetolamosowobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off000360cc.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x360CC | 7896 bytes |
SHA-256: b5fe289775850e65a69cc60b626f15f444860935c5a39e68bdceae7a33bdcfb4 |
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font_00_sfnt_off000340c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x340C7 | 4804 bytes |
SHA-256: 42d11a5b12db0a584027d06197ee34ee8c3840e665434101524b8c418837ba5c |
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font_01_sfnt_off000350ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x350EE | 6424 bytes |
SHA-256: 05a9d2007ec6d9dd5d9cc52cde88f1f347f4ee36ee2dd568965000e31ffdb9da |
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font_03_sfnt_off00037878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x37878 | 20232 bytes |
SHA-256: 39f1c781cfa13a125f22bacc68e43682d53bfc32059aae2c810a00e4260b7ab4 |
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font_04_sfnt_off0003b500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3B500 | 16500 bytes |
SHA-256: f3924d3052bdd58ac5b2ff47e0342b06d993b147285ed9505db80abae70f86c4 |
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font_05_sfnt_off0003cb9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3CB9A | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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