MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to SEO-optimized PDF hosting sites, indicating a link farm or SEO poisoning attempt. One prominent link redirects to `https://ttraff.com/pify?keyword=chemistry+notes+class+11+ncert+pdf`, which is flagged as a malicious redirector. The document body, though partially corrupted, contains similar keywords and URLs, reinforcing the malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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=chemistry+notes+class+11+ncert+pdf In PDF document text
- http://files.petra1929.co.uk/uploads/1/3/2/6/132695333/rasisugamut_fuvamuwokeza_zapudojov_zijegidavopomi.pdfIn PDF document text
- http://files.focusedlearningsolutions.com/uploads/1/3/1/6/131636990/49d8e9.pdfIn PDF document text
- http://files.gentrylaw.com/uploads/1/3/1/4/131407857/xaborumanatu-fujupegifedute.pdfIn PDF document text
- http://files.firstathens.org/uploads/1/3/2/7/132710687/9347935.pdfIn PDF document text
- http://files.loveandmercyfdc.com/uploads/1/3/1/8/131857071/tazowirujuvimi.pdfIn PDF document text
- http://files.yogitreewellbeing.com/uploads/1/3/2/3/132302919/somuxexederoko.pdfIn PDF document text
- http://files.stephaniebershyoga.com/uploads/1/3/1/3/131379371/1049198.pdfIn PDF document text
- http://files.musicatmainstreet.com/uploads/1/3/0/7/130739839/davetuxu.pdfIn PDF document text
- http://files.mkgeducation.com/uploads/1/3/1/4/131409333/fbe991ae66e0dc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zezupid.files.wordpress.com/2020/06/31778364152.pdfIn PDF document text
- https://lotodirod.files.wordpress.com/2020/06/70435217770.pdfIn PDF document text
- https://datunexa.files.wordpress.com/2020/06/luxejetobetirapar.pdfIn PDF document text
- https://womotisuxapo.files.wordpress.com/2020/06/gegamukaterir.pdfIn PDF document text
- https://kijijoniwe413232708.files.wordpress.com/2020/07/kamoled.pdfIn PDF document text
- https://juwifiluga.files.wordpress.com/2020/07/66174838140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9422/8630/files/ribitemiroja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wanojexabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1712/6563/files/nazuximusijimiwarav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/29878061118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16711599054.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_off00005e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E85 | 5360 bytes |
SHA-256: 18609ea5a13b86597021862fdf4cb9cb30d2b7b89ac0b9af2d10efeaf2245bc4 |
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font_01_sfnt_off000070a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A0 | 9840 bytes |
SHA-256: c2381018cd8c2b07f750113246205192283905d31fd842253bdd2dffc1a42fb0 |
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