MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, many of which point to a redirector service known for malicious activity. The document body and embedded links suggest a lure to download potentially unwanted or malicious files, masquerading as academic resources. The ML classifier strongly indicated maliciousness, and the presence of redirector links confirms a malicious intent to lead users to harmful 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=ap+literature+book+list+pdf In PDF document text
- http://files.burbgarden.com/uploads/1/3/0/7/130776327/nipozutuluroru.pdfIn PDF document text
- http://files.newtongrangegala.org/uploads/1/3/0/8/130873715/6446212.pdfIn PDF document text
- http://tugal.prohuman.co/uploads/1/3/1/4/131438477/3619897.pdfIn PDF document text
- http://files.sjtcounseling.com/uploads/1/3/0/7/130739120/4416c7eb47c7812.pdfIn PDF document text
- http://files.kellytuckercreates.com/uploads/1/3/1/3/131380337/xazovexenoriw_ralipeter.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/1/0431/7757/4557/files/aorta_and_its_branches_anatomy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8827/1777/files/pinellas_county_homestead_exemption.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2727/4645/files/adobe_photoshop_cs2_tutorials_for_beginners_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6167/0051/files/auto_cascade_refrigeration_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3413/2131/files/learn_applescript_the_comprehensive_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3273/0017/files/form_dl_44_california.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9469/4304/files/75750463995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9880/7202/files/7637159017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6516/1366/files/lizuwakerolorikesalediwem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7507/6258/files/sukuzeroxapenusoran.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1304/5398/files/you_ll_never_walk_alone_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8656/0936/files/belief_in_a_just_world_scale.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000715c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715C | 5228 bytes |
SHA-256: 3ec28cb67fbd87d7a923e1161595333a7f8d08127a44c9db1213bccec7d92085 |
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font_01_sfnt_off00008327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8327 | 10304 bytes |
SHA-256: 9651516f433ec66dd3273c0ab93c9a9c392ef1337f307198e278f6932bfade4a |
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