MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the text 'H pylori guidelines uk' and the malicious URL 'https://ttraff.cc/pify?keyword=h+pylori+guidelines+uk', suggesting a lure to a malicious site. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing 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.cc/pify?keyword=h+pylori+guidelines+uk In PDF document text
- http://files.saltwaterstudios.co.uk/uploads/1/3/0/7/130776272/maxizidurolokow_jemus.pdfIn PDF document text
- http://dumuwa.markwarrencoleman.com/uploads/1/3/0/9/130969465/petawo_lazodaduxid.pdfIn PDF document text
- http://wikunab.easyflighttravel.com/uploads/1/3/0/7/130739560/zakivuteradetef.pdfIn PDF document text
- http://penus.jolietcentraldrama.org/uploads/1/3/2/8/132814930/9ca95bfe1f438.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/1/0432/6621/2003/files/36082401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2521/1298/files/fojujudotironevoximu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5581/6608/files/97230161631.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7802/9213/files/administrao_financeira_e_oramentria_minhateca.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/3515/2804/files/joxugagasewule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7302/7749/files/9338982576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9476/9821/files/59748319354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8312/1319/files/fofowoxepuvubumenosotez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2308/9307/files/pdf_watermark_remover_freeware.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4291/2926/files/10760507803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/mbs_to_gbs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wugituvunajobi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0097/8853/files/xusebamemadidisavidijamo.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_off00007b49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B49 | 5044 bytes |
SHA-256: 7058605ed5ad0984227c7968524ec6bdbeea690173ad21585025b8e0202ce50e |
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font_01_sfnt_off00008c85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C85 | 9972 bytes |
SHA-256: 62923d5a40410745628e2812107c709950a5f3314074ec45621730d042fa51b4 |
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