MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous embedded links designed to create a link farm, with a primary redirector pointing to malicious infrastructure. The document body, though heavily obfuscated, contains the URL that is also present in the heuristic firings, suggesting a lure for users to download further content. 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.cc/pify?keyword=barrier+free+environment+in+schools+pdf In PDF document text
- http://files.wastelessjewelryandcompany.com/uploads/1/3/1/4/131454373/72e9ae.pdfIn PDF document text
- http://files.sbcdallas.com/uploads/1/3/0/8/130814535/6ac85.pdfIn PDF document text
- http://files.raisingtheskirt.com/uploads/1/3/0/8/130813320/1022002.pdfIn PDF document text
- http://files.4activelife.com/uploads/1/3/0/8/130814021/164229.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/1/0431/0410/8711/files/pdf_file_reducer_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1826/4469/files/15324205887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4767/3253/files/38589480130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2613/6731/files/46449317816.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3056/1436/files/36804749945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6248/4392/files/mrityunjay_kadambari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lalosukiwafigoledexefes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7831/1326/files/john_deere_ztrak_757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0044/7655/files/61008531090.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8281/3341/files/libros_para_superar_la_ansiedad_y_depresion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1322/4094/files/35902184091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/formal_email_writing_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4351/1703/files/fasepenujuwilapot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5212/1762/files/cal_spa_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/20586056624.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_off00007476.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7476 | 5292 bytes |
SHA-256: 35bf7b3ae834867448ccfd138d20d644a3915e85e75b692e5cb3a64a653fa30e |
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font_01_sfnt_off0000864e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x864E | 10016 bytes |
SHA-256: 07de3dd9abb794f3421be3d2299aeedf5e1f45027d092ad4c2baf889e00ffb55 |
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font_02_sfnt_off0000a8b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8B6 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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