MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass external link farm, with multiple links pointing to redirector infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=chloroform+uses+today, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting its use as a lure for phishing or malware delivery.
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=chloroform+uses+today In PDF document text
- http://files.aubreypotash.com/uploads/1/3/0/7/130738889/1499249.pdfIn PDF document text
- http://serivod.riavandeneynde.studio/uploads/1/3/0/8/130814328/7095713.pdfIn PDF document text
- http://rugudorus.llenise.com/uploads/1/3/1/4/131437364/gomelepu.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/1/0437/6277/8263/files/allen_test_series_for_neet_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4343/8242/files/41506397210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4351/2732/files/engineering_c_programming_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7330/5750/files/guruk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5064/7202/files/binuwujojawekov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7439/6063/files/somafukewojutagokadav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2585/6669/files/future_maker_products_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/aby_warburg_mnemosyne_atlas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3173/2125/files/amaravati_kathalu_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9110/7752/files/widegugopekaviwusitutuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4949/9289/files/48993973416.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD791 | 6492 bytes |
SHA-256: b9c1bd2281f23f09d905494077011cda678d8ff8a20e62f41a46584ce81a564d |
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font_01_sfnt_off0000e7c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C6 | 5000 bytes |
SHA-256: 7a14357f9136005ff34b7a67154c23e7b40acd814d02f3339302cda2f1f6b30d |
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font_02_sfnt_off0000f8d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D3 | 15624 bytes |
SHA-256: b20bd9bc7cb94dbc7f10b14f1ae2f66198ab18ef281a98fb08899ebd24f263c7 |
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font_03_sfnt_off000129b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B9 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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