MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to known malicious infrastructure, disguised as a free download. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests a link farm or SEO poisoning tactic to drive traffic to the redirector. No scripts were extracted, but the document's structure and embedded links are sufficient to infer a phishing or scam attempt.
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.ru/pify?keyword=algebra+formulas+pdf+in+telugu In PDF document text
- http://files.jodibaldacci.com/uploads/1/3/0/7/130739778/muleti-nefuwofuxolof-mujutajolabi-pakufinetajol.pdfIn PDF document text
- http://files.sensibleshock.com/uploads/1/3/2/7/132740479/vasesejakukek_faxej_lelikam.pdfIn PDF document text
- http://files.apiswc.org/uploads/1/3/2/6/132680903/nitivujevakipuxode.pdfIn PDF document text
- http://lasekusa.midmichiganfamilyfun.com/uploads/1/3/0/7/130775432/504451.pdfIn PDF document text
- http://widobete.oursaviorsstx.org/uploads/1/3/1/3/131398140/9839889.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/1/0432/3590/1602/files/fegoxakumobikumisono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/cell_phone_advantages_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1097/2053/files/41708013394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5538/0630/files/17914905376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0080/7074/files/52547741589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6824/3624/files/business_communication_email_writing_skills.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35403674757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8664/files/vetifosozatawud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4936/1314/files/wajeliluregil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2270/5063/files/xutugevudekuwajusedolabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1080/9256/files/brgschaftserklrung_eltern.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2665/3090/files/bsc_physics_syllabus_burdwan_university.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2496/6044/files/types_of_admixture_in_concrete.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_off00005f94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F94 | 5492 bytes |
SHA-256: 799219062407b821c15334c3d1d8dc91b1f5754059b5d1eceba751e7b25d9f0f |
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font_01_sfnt_off00007224.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7224 | 10316 bytes |
SHA-256: 2f02630c70c12d06182a1cbe5347a2f3dac505f2a7002a0bebd86ad9e9ca7b7b |
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