MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a lure related to educational materials, specifically 'maths worksheets for year 1 pdf'. It embeds a significant number of external links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm or SEO manipulation tactic. Crucially, one of the embedded URLs, 'https://ttraff.cc/pify?keyword=maths+worksheets+for+year+1+pdf', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, limiting the analysis of direct payload execution.
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=maths+worksheets+for+year+1+pdf In PDF document text
- http://sazokibil.mariamartinezordaz.com/uploads/1/3/2/6/132682883/38c757fe.pdfIn PDF document text
- http://files.gtecodev.com/uploads/1/3/2/6/132681611/fivetop-fugovufilej-kenosaj-ragopifotosis.pdfIn PDF document text
- http://xowisapu.uwpprofessorgeorge.com/uploads/1/3/1/4/131453060/515214.pdfIn PDF document text
- http://files.mosaconcerts.org/uploads/1/3/1/3/131380754/7771862.pdfIn PDF document text
- http://tovas.middletontheatre.org/uploads/1/3/1/6/131607062/kijag.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/1/0434/5544/7201/files/organic_chemistry_2nd_edition_david_klein.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8325/9301/files/luzizadoremovami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/crane_operator_test_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6265/6166/files/32393556295.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/psp_racing_games.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5598/8374/files/83045652486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8432/5798/files/nutetom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/69752409883.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/majomoginuvomiposelipaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/boxiziworulire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4106/2040/files/83831274165.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/93588796672.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3678/7356/files/42956036870.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7087/2995/files/mizufijanawajufuv.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_off00006b78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B78 | 5412 bytes |
SHA-256: f9be70946bedb827f398a16af794ceee984356e1beaec44d54dda3bb7cfea7e8 |
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font_01_sfnt_off00007e07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E07 | 10616 bytes |
SHA-256: 0624910ecc0a2be4c2e88209f08db213e02cdb78e294ca8043db24798b75419d |
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