MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, including a redirector URL that appears to be part of an SEO link farm for phishing. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=android+sqlite+tutorial+for+beginners+pdf', suggesting a lure to download further content. The ML classifier strongly indicates maliciousness, and the presence of multiple PDF links points towards a content-driven social engineering attack.
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.com/pify?keyword=android+sqlite+tutorial+for+beginners+pdf In PDF document text
- http://files.smartministriesinc.com/uploads/1/3/0/7/130738751/zonivejup.pdfIn PDF document text
- http://dokureg.downsouthbait.com/uploads/1/3/0/8/130814575/4157376.pdfIn PDF document text
- http://files.foxgloveapothecary.co.uk/uploads/1/3/2/6/132681901/kolibazewonenabase.pdfIn PDF document text
- http://files.ruskinhouseofshepherds.com/uploads/1/3/1/4/131482946/rimigunidu.pdfIn PDF document text
- http://files.aedpfingerlakes.org/uploads/1/3/0/8/130813859/427389.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/1/0437/1585/4490/files/7710697263.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2843/8440/files/sirizoxija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0715/6128/files/91371442147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2317/9677/files/13614926212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0939/9192/files/achieves_ncoer_bullets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3591/8489/files/42553314841.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/79671995166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2096/6298/files/wokovudiwivasuwofokekodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0879/4530/files/verunubukaralomesik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5309/files/91059396409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7201/9877/files/zuzikavisibaw.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_off00006d2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D2F | 5344 bytes |
SHA-256: bc87529f590243bcaf79fc7c7264d725ab402d040add39128de1e3530148ad9f |
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font_01_sfnt_off00007f54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F54 | 13320 bytes |
SHA-256: b3e26fc74eb0370ea645e6d27d1eefd89c2df131ca804c83e3b9e8069f9368b5 |
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font_02_sfnt_off0000aa1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA1A | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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