MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to redirector infrastructure and SEO link farms, indicating a malicious intent to drive traffic to potentially harmful sites. The document body, though heavily obfuscated, contains text suggesting it is a 'solutions manual', a common lure for phishing or malware distribution. The presence of multiple PDF links and a critical redirector link firing strongly suggests this document is part of a campaign to distribute 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.me/wix?keyword=financial+accounting+libby+solutions+manual+pdf In PDF document text
- http://sited.tnquarterhorsesales.com.au/uploads/1/3/1/1/131164112/wepabavebot.pdfIn PDF document text
- http://files.cantornote.com/uploads/1/3/1/4/131453592/suzisetokiviredaw.pdfIn PDF document text
- http://kiwixep.mesmanfarm.com/uploads/1/3/1/4/131438448/6036353.pdfIn PDF document text
- http://files.zimmermansailing.com/uploads/1/3/0/7/130776401/nugadusijokesimuz.pdfIn PDF document text
- http://keganawi.villageofhopeministries.org/uploads/1/3/1/3/131379956/4785698.pdfIn PDF document text
- https://digitalcontentmarket.org/wp-content/uploads/2017/11/Solutions-Manual-FundamentaIn 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/1/0432/4065/2960/files/36843652458.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3840/7832/files/77045765501.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4906/6397/files/book_dedication_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8286/5058/files/945737312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/9886/0707/files/monthly_timeline_powerpoint_template.pdfIn PDF document text
- https://09ff10dd-af4c-472f-bd7f-f1edddd52c6d.filesusr.com/ugd/3ed902_bb17fcff288642e79e2b91b28a5eca0e.pdf?index=trueIn PDF document text
- https://6f775e63-0572-4a21-9a42-1013e3d440fc.filesusr.com/ugd/3835dd_5689e07dca3347d1b179bca56342b994.pdf?index=trueIn PDF document text
- https://e47dbc4e-c64d-48bf-bd2a-fd9a02c34f9a.filesusr.com/ugd/8a05ec_0fadc5415df146d7bbf0ceb75d6f4d1d.pdf?index=trueIn PDF document text
- https://52d2b9e5-13ec-4a6b-8f3c-85192703f808.filesusr.com/ugd/f35da0_29bbc89e843247c2bf9da855b25e4f44.pdf?index=trueIn PDF document text
- https://74bd50bf-46d7-4e3e-9b94-948df8982ef1.filesusr.com/ugd/fedf23_319aacfb225f405f9db4bd47805405e2.pdf?index=trueIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000666c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x666C | 5576 bytes |
SHA-256: 8ee668ce4b9678dc16d5e0b0a276fa6f46b6ced98a54ba41090fca302dc1c527 |
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font_01_sfnt_off0000795a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x795A | 10540 bytes |
SHA-256: 586716b79e4e861590768c827e76c78dca14179a7527da4e801d6e35bd7ade80 |
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