MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to create an SEO link farm, directing users through a redirector to a malicious URL. The document body and heuristics indicate a lure for a 'biblical hebrew dictionary pdf' which is likely a pretext for phishing or malware distribution. The ML classifier strongly indicates maliciousness.
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.com/pify?keyword=biblical+hebrew+dictionary+pdf In PDF document text
- http://files.shannonlegrand.com/uploads/1/3/1/4/131407357/7080044.pdfIn PDF document text
- http://dubofajab.careerconstructioninstitute.org/uploads/1/3/0/7/130776483/dac926a6ecf.pdfIn PDF document text
- http://rejojat.rayssites.com/uploads/1/3/1/1/131163658/nutozuzudurele.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/1/0429/0645/2131/files/tomixitukizowufifid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2064/7576/files/66004066923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9000/9502/files/the_articles_in_english_grammar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65233410578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8394/7414/files/cancer_de_intestino_grosso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6617/1293/files/ligifudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9564/5589/files/23860205824.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4591/0678/files/problem_solving_strategies_problem_books_in_mathematics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9257/3334/files/45112693865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0643/5232/files/jimelifuxafesisafewenape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9051/7911/files/bagegatawotivur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7872/0414/files/20354151046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowelikuzamutaj.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000cea7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xCEA7 | 18500 bytes |
SHA-256: 693f15eccb4a4379eeeb81978c974e9959d8b06d3c0e19885fd398d91913daf7 |
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font_00_sfnt_off00008fdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FDD | 5448 bytes |
SHA-256: 745ad2f098284efcac8fad8cd787c1aff9a1e2128c64ab5af22863b45c514ddb |
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font_01_sfnt_off0000a265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA265 | 13608 bytes |
SHA-256: 70660a9441eba8bf5db0bb6b0b6b15147fda8cc6a3b9b95a67f6c5ff482b5ab4 |
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