MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service that is known to host malicious content. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the document is designed to trick users into downloading further malicious content or visiting phishing pages.
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=avadh+university+private+form+online+application In PDF document text
- http://wawonivud.derbycommunitychurch.com/uploads/1/3/0/7/130775085/wukojuvoj.pdfIn PDF document text
- http://files.ashtangaingroningen.com/uploads/1/3/1/8/131871633/ecb0f1edd7543.pdfIn PDF document text
- http://files.wss1sgradeib.com/uploads/1/3/1/4/131437632/wuruzufin_vukaxexebazuta_jagawotaxagoge_dorabisike.pdfIn PDF document text
- http://files.seedlingsystems.co/uploads/1/3/1/6/131607467/199821ec95fee.pdfIn PDF document text
- http://files.cbinderyservices.com/uploads/1/3/2/6/132681885/ligewu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/6803/8047/files/nero_stard_smart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/ncert_biology_class_11_morphology_of_flowering_plants.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0703/1966/files/93802336552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6592/3992/files/3700226586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8940/2779/files/45521882961.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4029/1486/files/wanigikada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/unizik_admission_list_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0129/8594/files/52517383034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8352/1445/files/etiology_of_acute_diarrhea.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2692/2146/files/common_core_algebra_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9739/1261/files/89828599044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1525/6738/files/xarixujolakafimoxapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.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_off00006ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CED | 5428 bytes |
SHA-256: bff2e0fb1eeace3bc0f4c03f6f7303f740e3ddbaaf57e89af241bac452879be8 |
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font_01_sfnt_off00007f3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F3C | 12600 bytes |
SHA-256: a9ba6ef1b2c72e08d3d7a7e20c7d6d026c69f2299c6a73b0f954fe7e1188d621 |
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font_02_sfnt_off0000a775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA775 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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