MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service that is known to host malicious content. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to attract users searching for specific documents. This suggests a phishing or scam attempt to redirect users to malicious 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.cc/pify?keyword=cassirer+philosophy+of+the+enlightenment+pdf In PDF document text
- http://files.mrsnoacksclass.com/uploads/1/3/2/6/132681026/nuginukip-notepoxadivusul.pdfIn PDF document text
- http://files.daniel12.com/uploads/1/3/1/1/131164398/giziser.pdfIn PDF document text
- http://files.downingtownswimacademy.com/uploads/1/3/1/4/131453219/b58539fa67b0289.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/1/0437/8856/6680/files/1073114282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3508/1374/files/25829676721.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5727/5299/files/vilipetodiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8766/7104/files/49279094144.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/46953382684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5997/9174/files/metuzupumiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3604/7520/files/84079289136.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2681/5895/files/sutemexawedudidaluxex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7829/5450/files/pegowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3490/0637/files/rumulutobugoxuzadev.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000e152.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE152 | 29368 bytes |
SHA-256: 5e1fb242dfde7c93a7dd6867fb1b0555e6f3f9156edd0e44691993ee1075efdd |
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font_00_sfnt_off0000a010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA010 | 5368 bytes |
SHA-256: 6202a12f16455c9742f3df0f355cdba86cc2663482bcd346304fc000727979dc |
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font_01_sfnt_off0000b22a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB22A | 15112 bytes |
SHA-256: 1dba2fe9b09a97179ea5033afeda8d1cebe4ea1838fc69603ad880af37e554f4 |
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font_03_sfnt_off00011529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11529 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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