MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to numerous other PDFs, likely as a SEO manipulation tactic to drive traffic. The primary redirector URL, 'https://ttraff.cc/pify?keyword=a+level+general+chemistry+notes+pdf', is flagged as malicious. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or malware distribution scheme disguised as academic resources.
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=a+level+general+chemistry+notes+pdf In PDF document text
- http://files.rhiannonpower.com/uploads/1/3/0/7/130740513/424c8bd4.pdfIn PDF document text
- http://files.4therochesterraiders.org/uploads/1/3/2/6/132695301/pufolik_dugesiwexinexip_midewamitexaj.pdfIn PDF document text
- http://files.whitegallowaysofwayby.com/uploads/1/3/0/8/130873907/fewubogukobavel-sixomolimu-mifip.pdfIn PDF document text
- http://files.fullcrescentpress.com/uploads/1/3/0/7/130775215/683885.pdfIn PDF document text
- http://files.rosewesche.com/uploads/1/3/1/4/131406663/7aeaf.pdfIn 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/1/0433/5960/0798/files/96320199136.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1656/0550/files/xobujumelagibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4903/3640/files/39563281589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/gazemizufufewefis.pdfIn PDF document text
- https://wozimupo.files.wordpress.com/2020/06/78716192077.pdfIn PDF document text
- https://zoxapogu.files.wordpress.com/2020/06/4506534335.pdfIn PDF document text
- https://lubaxop.files.wordpress.com/2020/06/gemivotifuwifilesu.pdfIn PDF document text
- https://vusewotenat.files.wordpress.com/2020/07/29116384401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4531/3941/files/kibusizevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8225/1421/files/zekudimizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nitupalakisotubawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuvinotagug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1533/1227/files/zevapegutuxadujilig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2538/3073/files/777850194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7840/2723/files/69218459130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7281/4245/files/89956199576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2625/0917/files/woluwarewixumiko.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000078b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B6 | 5508 bytes |
SHA-256: 1c11bf8c71b14b2885ef2ea821299f1b1283219ef5cd0c6260ed2b6d3eb0d075 |
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font_01_sfnt_off00008b4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B4D | 10376 bytes |
SHA-256: 4bd6d8581d653396c34cb3cd6072a15abe31fc8e53e3837afaa25ed0136507e5 |
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