MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link leads to a URL that appears to be part of a link farm designed to host numerous PDFs, likely for SEO poisoning or to obscure malicious activity. The ML classifier also strongly indicated maliciousness. The primary attack vector is likely a phishing lure, directing users to malicious infrastructure.
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.ru/pify?keyword=present+simple+and+present+continuous+exercises+upper+intermediate+pdf In PDF document text
- http://wipejal.predictiv.co.uk/uploads/1/3/2/6/132681352/sakonojozifotaduv.pdfIn PDF document text
- http://files.ccfreelancejournalist.co.uk/uploads/1/3/1/4/131407668/477688.pdfIn PDF document text
- http://files.belfordcashmere.com/uploads/1/3/1/4/131437627/1322140.pdfIn PDF document text
- http://pamat.charankainth.com/uploads/1/3/0/8/130814328/a81156d5220.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/1/0429/1756/0473/files/dominating_sword_immortal_novela_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/rekud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/35542703219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0455/4902/7493/files/venefukanoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4647/7725/files/magnavox_universal_remote_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8978/7048/files/xapal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/5029/9555/files/orlando_furioso_di_ludovico_ariosto_raccontato_da_italo_calvino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2417/0664/files/trends_in_higher_education.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3016/6176/files/adding_and_subtracting_mixed_numbers_with_like_denominators_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/11867331118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7850/6909/files/discord_invisible_text.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fatexuxutul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/git_reset_to_remote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/90357205146.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
🗂 Part of campaign:
ccfreelancejournalist.co.uk
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5002 | 5252 bytes |
SHA-256: 56b921bb659a6f90d6e7813196e7e7eaca0d411fe9cea326efdcb7b17608da7c |
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font_01_sfnt_off000061b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61B5 | 9548 bytes |
SHA-256: 27c36dead08ead0b44165f73e238509484112b28ddc92a278ba6991ac99b358c |
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font_02_sfnt_off0000825b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x825B | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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