MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which are SEO-themed lures for PDF downloads. One prominent link, 'https://ttraff.cc/pify?keyword=mathematics+2+book+pdf+download', is identified as a malicious redirector. This indicates the document's primary purpose is to trick users into visiting malicious sites under the guise of providing PDF content.
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=mathematics+2+book+pdf+download In PDF document text
- http://files.victoriamartinphotography.co.uk/uploads/1/3/1/1/131163872/zirivi.pdfIn PDF document text
- http://files.jennybacon.co.uk/uploads/1/3/0/7/130739719/278b29a6f.pdfIn PDF document text
- http://files.joyofchristpress.com/uploads/1/3/0/7/130739831/0bd10c784.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0433/5095/0041/files/dojewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2401/2696/files/low_back_pain_exercises_for_elderly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7922/8837/files/11729180812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0246/1351/files/pozar_microwave_engineering.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2806/2109/files/9121253757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0088/7457/files/94122121050.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2715/9448/files/affichage_obligatoire_restaurant.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1060/5735/files/tinemosotebalezazuposades.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6312/9765/files/5379124820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9915/9718/files/48515338163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9295/9642/files/panoratizebevow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8880/9879/files/talking_as_fast_as_i_can_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8503/6708/files/cryotherapy_physical_therapy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3038/8642/files/32710644052.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005dc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DC9 | 1840 bytes |
SHA-256: 54a10400d8d9746f7d635901a988a6738b90e9e2d0141e41cb36d457773262b7 |
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font_01_sfnt_off000066c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66C9 | 5732 bytes |
SHA-256: a4e4eb2056e12f7242423bf366fe140d8f780b4ca70403a5d0d3faa7e8fa2005 |
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font_02_sfnt_off00007a47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A47 | 2116 bytes |
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
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font_03_sfnt_off00008411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8411 | 10148 bytes |
SHA-256: d429f3ecdad5849cb5e22492ae5f1f0ece6c51a4db262dc7500ef0cea1a8646c |
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