MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure for free downloadable content, specifically a bank exam preparation book, which is a common phishing tactic. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, further supporting the malicious intent of redirecting users to potentially harmful sites.
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=mb+publication+english+book+for+bank+po+pdf+free+download In PDF document text
- http://files.stampsnotstuff.com/uploads/1/3/0/7/130739247/juporologa.pdfIn PDF document text
- http://files.judymtomlinsonphotography.ca/uploads/1/3/1/8/131872138/midumafeganabagosutu.pdfIn PDF document text
- http://bovila.beurownreligion.com/uploads/1/3/2/6/132682883/baxibufujo.pdfIn PDF document text
- http://files.weswilkinsonplumbing.com/uploads/1/3/0/7/130775265/4897361.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6982/4407/files/54797625839.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4145/4240/files/certified_kubernetes_administrator_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8309/4434/files/dinedarutul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7690/2309/files/gamejufabiguborosewutatif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9937/3214/files/a_journey_through_anglo_american_literature_answer_key_module_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fisebupujavilugux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2040/2337/files/58878119322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8203/1007/files/44719290245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/faduneresikiwafar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/54277330936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5271/9515/files/joxisidi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6027 | 5716 bytes |
SHA-256: 460d73e092f5ac85d5f54e3a3208fbe109976d6d37274509169586fa9ab0e9eb |
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font_01_sfnt_off000073a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73A3 | 10660 bytes |
SHA-256: 69933559b462b1586802c0be8cbc2462bae2b4ba6421324d5644ca35ae02cad4 |
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font_02_sfnt_off00009814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9814 | 8144 bytes |
SHA-256: b098e929d8a0c5451b821a6066890b9d44c9d9ffe553b2c7484e75cc50c9b072 |
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