MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a download button, which is a common lure for phishing or malware delivery. The document body, though heavily obfuscated, contains the malicious URL. The PDF was generated using wkhtmltopdf, and it hosts a large number of external PDF links, suggesting a link farm or SEO poisoning attempt to drive traffic to malicious sites.
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=applications+of+derivatives+class+12+ncert+solutions+pdf In PDF document text
- http://files.lapen.us/uploads/1/3/0/8/130874143/keguduwa_miboxesoxodomag_vikinetixefosi_durapu.pdfIn PDF document text
- http://dewaf.clebelleza.shop/uploads/1/3/2/7/132712207/35f1f0fabb.pdfIn PDF document text
- http://mogatod.ediblelandscapes.net/uploads/1/3/1/6/131606060/durudibuvonozopo.pdfIn PDF document text
- http://defod.eteambuilding.co.uk/uploads/1/3/1/8/131856158/aff871a2bdc0053.pdfIn PDF document text
- http://files.hermanus-festivals.com/uploads/1/3/0/9/130970004/842bb774068.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/1/0435/6472/8479/files/malayala_manorama_year_book_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0945/6803/files/toxatetemuwanaworuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5556/2398/files/lawepiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7960/6177/files/53524088822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5719/8742/files/lightweight_reader_windows_xp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/gixatavogaxifov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2471/9773/files/contoh_soal_medan_magnet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8275/9836/files/zojegexipujele.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9920/2467/files/wimepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6773/6225/files/tuzuwisetudej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/bandsaw_fence_plans.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8359/4909/files/neca_labor_units.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000120d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D9 | 5380 bytes |
SHA-256: a7e2f7b48918e0e4db63e72fe032fb06ea71f20ea545f72331864e3a229a3015 |
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font_01_sfnt_off00013341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13341 | 16440 bytes |
SHA-256: 74674bdc6d4993ae9f16b363c30fd24f7e756e19710d691dd297fe2cb09c634d |
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font_02_sfnt_off000166be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x166BE | 16584 bytes |
SHA-256: a470468b343cf0de274471c5386ead9c3df438e92e5574cbe9179f53d87b8933 |
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