MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=gregorian+calendar+2020+pdf', is presented as a lure for a calendar download. The document body, though heavily obfuscated, contains this URL, reinforcing the phishing attempt. The presence of numerous other PDF links suggests a link farm or SEO poisoning tactic to distribute the 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=gregorian+calendar+2020+pdf In PDF document text
- http://files.rockabuybaby.shop/uploads/1/3/2/6/132695244/ed7098c291844c.pdfIn PDF document text
- http://files.dellhpc.org/uploads/1/3/2/6/132695569/5972891.pdfIn PDF document text
- http://mefaviki.youthening.org/uploads/1/3/1/3/131398455/d6b8dcf94d75.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1141/5962/files/govikovubatilikamupag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8840/2839/files/6600775198.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/56263421097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4425/7442/files/limuwuluxadasesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8475/9711/files/perilaku_hedonisme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8630/6710/files/47554451820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/made_in_america_1993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/xexemuxobajekinodote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/power_amplifier_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81579197248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5935/4517/files/war_craft_3_battle_chest.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/72822541206.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_off0000ecd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD6 | 6336 bytes |
SHA-256: 36fa25da7834e74dc25d5eddb72a1cd8c95077878720d0e8b5618dc92abccc86 |
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font_01_sfnt_off00010280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10280 | 5452 bytes |
SHA-256: 8b555671d173a1b12eb5d39689568ec56c14625b992b2c83ac53cb9e1c04c21d |
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font_02_sfnt_off0001151b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1151B | 11580 bytes |
SHA-256: 3e8f45285765e4e35699681251774b40de7632426a63b026eeb57715f4d0826f |
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font_03_sfnt_off00013b78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B78 | 16852 bytes |
SHA-256: f1994bf8224282b83522b6c5cfef24ae82e20f65362d0796bf49a35e69690d81 |
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