MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to drive traffic to malicious sites. The presence of a 'download button' lure further supports a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded links point towards a malicious workflow.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=kambikuttan+pdf+cartoon+download In PDF document text
- http://nodat.yvettewalkerwriter.com/uploads/1/3/1/6/131637814/61f20b54619.pdfIn PDF document text
- http://meriwu.getpatenthelp.com/uploads/1/3/1/3/131379732/lemataleburor.pdfIn PDF document text
- http://files.erskinebadmintonclub.co.uk/uploads/1/3/2/7/132740511/ralibikik_polof_telubevizabop_borumisofekutav.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0936/6427/files/bikamit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/2584/5659/files/sony_cdp-_cx355_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6067/4198/files/pezujogutumopewafiwogodor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9730/8840/files/84025884111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0906/4607/files/essential_oils_list_and_benefits.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46456123156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5172/9574/files/vewozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0499/1400/files/security_guard_training_manual_south_africa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3329/7058/files/pituxakovedeboze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3192/0794/files/taller_trinomio_cuadrado_perfecto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8631/5684/files/april_calendar_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0301/0459/files/87775694224.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
- https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5229 | 5388 bytes |
SHA-256: 6a25b962ffab943e3d297f48bd09eeeb0e78bbf7a5ee60b4f16171b934871807 |
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font_01_sfnt_off0000646a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x646A | 4176 bytes |
SHA-256: 686a912565ff7eef0d4de053f50bb58bce1272db86334d7a348892a44eee9338 |
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font_02_sfnt_off0000740b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x740B | 10348 bytes |
SHA-256: 511d8a8256c391144e796507b427cf1f7145bbf293a237eefd984d41da5c0ef6 |
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