MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The primary redirector URL is identified as malicious, and the document body contains text that appears to be a lure for free downloads. No scripts were extracted, but the presence of embedded URLs and the malicious redirector strongly indicate a phishing or malware distribution attempt.
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=basic+java+programming+notes+pdf+free+download In PDF document text
- http://files.woodcreekyearbook.com/uploads/1/3/0/8/130814245/673936de50f53f.pdfIn PDF document text
- http://files.mrmichaelmccloskey.com/uploads/1/3/1/8/131871705/6a2f9fbd.pdfIn PDF document text
- http://files.candtquilts.com/uploads/1/3/2/6/132696483/fiberufez-vobole.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4301/9159/files/angelic_symbols.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/34018254373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9888/1704/files/93494387254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0010/3071/files/88999494598.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2971/5354/files/colitis_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3002/0247/files/zuvebopipunawudiwonaged.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9602/0894/files/requiem_por_un_campesino_espanol_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4072/7463/files/titiwikunagexatokidoxor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2431/8618/files/doxazosin_davis_drug_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0273/2448/files/cuentos_en_ingles_para_principiantes_gratis.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D07 | 5752 bytes |
SHA-256: 59217075596f9593059fda0fb422487b27580d8a20f884836734a23a99631e86 |
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font_01_sfnt_off00008091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8091 | 3396 bytes |
SHA-256: ca8010b485c61054d96baa48925ccbf7f95d0790b1d5cb7988b7368c935cd1f5 |
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font_02_sfnt_off00008dd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DD7 | 2320 bytes |
SHA-256: 7bb91423d63eb6bd7c2657278979848d60b7d38679106ec23dbd755ba6ab3d32 |
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font_03_sfnt_off00009827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9827 | 10020 bytes |
SHA-256: 29fad7bc5081a472fb0019f5a9d93225b8fb7111d2654647c7e43cc072bdcedb |
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font_04_sfnt_off0000babb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBABB | 16224 bytes |
SHA-256: 4362e686776cae9b5e877a8e5de4a1ff5ae9966626bcf1046762b8e3a01bbea2 |
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