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 SEO link farming, specifically pointing to a lure for a lectionary document. The primary malicious URL identified is a redirector that likely leads to a phishing or malware download site. The document body, though heavily obfuscated, contains the target URL and mentions 'wkhtmltopdf', suggesting it was generated by a tool rather than being a legitimate document.
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.com/pify?keyword=anglican+church+of+southern+africa+lectionary+2020+pdf In PDF document text
- http://siwives.hublerfamilybusiness.com/uploads/1/3/0/7/130776262/dbc70db.pdfIn PDF document text
- http://files.charsrestaurant.com/uploads/1/3/2/6/132680869/1958753.pdfIn PDF document text
- http://files.love1040.com/uploads/1/3/1/8/131871704/fanonov.pdfIn PDF document text
- http://files.jpravensbergen.com/uploads/1/3/2/6/132683181/6190965.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/1/0434/7287/9782/files/bopomogaguzetoresigeje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5115/5609/files/bimurixapusopibuzesugoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5588/8022/files/acute_myeloid_leukemia_pathophysiology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0050/4217/files/sozerilemu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2576/6312/files/50641504082.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6368/0929/files/fire_detector_installation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4556/1254/files/xejivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7565/6097/files/sidejotubukuzafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5829/1093/files/sociology_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/4681/6155/files/alstonia_scholaris.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1755/2543/files/jepoxum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5833/0786/files/dishonored_2_trainer.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_off00007d7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D7B | 5780 bytes |
SHA-256: 48f89ee230411b2bc387b592010ee38e6d43739013de113c5ad410dc18a97a5a |
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font_01_sfnt_off00009122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9122 | 10580 bytes |
SHA-256: 3b43b3bab9f2e66501c83dea4cfb6955925dc13c5dbc90fbf04ebe874d1afe44 |
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