MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to a 'handbook for bicycle mechanics'. The primary malicious URL, https://ttraff.cc/pify?keyword=sutherland%2527+s+handbook+for+bicycle+mechanics+pdf, is likely used to redirect users to a phishing or malware distribution site. The presence of a link farm heuristic further indicates a malicious intent to distribute links.
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.cc/pify?keyword=sutherland%2527+s+handbook+for+bicycle+mechanics+pdf In PDF document text
- http://files.phoenixphusion.com/uploads/1/3/1/6/131606552/9765209.pdfIn PDF document text
- http://files.shopthrillvintage.com/uploads/1/3/1/8/131871535/3709026.pdfIn PDF document text
- http://files.sarahbovy.com/uploads/1/3/1/1/131163533/3778801.pdfIn PDF document text
- http://files.westscotlandrce.co.uk/uploads/1/3/0/7/130775892/xipumijelijiwanu.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/1/0433/0805/6740/files/daboxizagikopenusir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0288/7322/files/23197850146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2587/4600/files/98713723080.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0600/9255/files/nituwotonekapileg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4630/4920/files/lezovojojugiko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/butefetafiboxivuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1569/1678/files/36827867034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3486/1987/files/rupasiwefifamelud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/john_deere_111_parts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1873/2191/files/gesapadavepuxop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/63049895770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7387/1767/files/dll_fixer_crack.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_off00004b37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B37 | 5720 bytes |
SHA-256: d23af7566ed14eff738e9c5d5f4a0692cb55d0c8749e8a8e7e5da8fa2ee4ea19 |
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font_01_sfnt_off00005e7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E7D | 10192 bytes |
SHA-256: f0af507feff749c29b82093b8f3d0079d7c722af77a173796fe9a4a3266b4223 |
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font_02_sfnt_off0000815a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x815A | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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