MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to an SEO redirector infrastructure, which is a common tactic for phishing and malware distribution. The primary redirector URL is 'https://ttraff.com/pify?keyword=arc+length+of+a+circle+pdf', suggesting a lure related to academic or technical content. While no scripts were explicitly extracted, the PDF structure and embedded links strongly indicate a malicious intent to redirect users to potentially harmful sites.
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=arc+length+of+a+circle+pdf In PDF document text
- http://files.myrawilliamsottewell.com/uploads/1/3/2/6/132682168/653f1b112df.pdfIn PDF document text
- http://files.hcsatl.com/uploads/1/3/2/7/132740541/xubudelexewuverovuf.pdfIn PDF document text
- http://files.lewiswalsh.net/uploads/1/3/2/6/132682230/xovogo_wibejif_kupila_sonemivurukejo.pdfIn PDF document text
- http://files.gartonmillermedia.com/uploads/1/3/0/8/130813111/pifanifafija.pdfIn PDF document text
- http://files.faithbaptistkaufman.com/uploads/1/3/1/4/131406684/gapenipiwofufo_jekalobidulopo.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/1/0432/2865/9880/files/17992824690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8423/4398/files/buvune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7045/5965/files/risarafovetobowigexij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9027/1642/files/98859621902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15636630427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8311/1323/files/63226468253.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/25894846425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8665/8213/files/nekalusitove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6104/3605/files/28474098526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1978/7675/files/69652424046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1755/2543/files/19919525920.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_off00005fb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB8 | 2908 bytes |
SHA-256: c6017a6d86a855746cc3374208884d3bb344ce5192612ec9a4311c37ea481331 |
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font_01_sfnt_off00006a1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A1B | 5016 bytes |
SHA-256: af9d215fe0829c74d438f0cd14c53d6cbe78748969612da335cdf151389b3594 |
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font_02_sfnt_off00007b16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B16 | 10004 bytes |
SHA-256: 3d47eace15c72ec3b7acd3511ccd9d40f38ff7beed46e4c0192e64249134f52b |
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font_03_sfnt_off00009d89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D89 | 16064 bytes |
SHA-256: 77905ff9885e60cfff17cf33ad9da418757c231635603c6b4cc239c84c233917 |
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