MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to Shopify-hosted PDFs, suggesting a link farm for SEO manipulation or to obscure malicious destinations. One URL, 'https://ttraff.cc/pify?keyword=basic+electrical+engineering+short+notes+pdf', is identified as a malicious redirector. The presence of a 'download button' heuristic further supports a lure-based attack. No scripts were extracted, limiting the analysis of direct payload delivery mechanisms.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=basic+electrical+engineering+short+notes+pdf In PDF document text
- http://files.pemmensgolf.net/uploads/1/3/1/3/131379612/febokibilodirina.pdfIn PDF document text
- http://files.colettejonopulos.com/uploads/1/3/1/4/131483138/755b9dfc8.pdfIn PDF document text
- http://files.susanedwardsartwork.com/uploads/1/3/1/0/131069978/6351905.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/1/0435/8746/9469/files/kaporadijonala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9262/3001/files/sewotaderajizik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1461/8262/files/sowevopupawosesunifivavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/piladumosoxasapisenegege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7338/6136/files/jquery_resizing_image.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5498/9466/files/75993510265.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2566/0066/files/44414661265.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2303/1720/files/wufugot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lujodegiduwidixerilaji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4338/9597/files/bullying_in_the_workplace_south_africa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8333/3786/files/89369284229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6023/8238/files/37199478944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6856/9238/files/albinism_disease.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0684/4315/files/surirapixavetoxowefed.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_off00006161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6161 | 5468 bytes |
SHA-256: 732cbebb588f2d4c8ba3a25b684f6879ec854489fa7c54d0cb6972af604f3498 |
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font_01_sfnt_off000073f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F0 | 10604 bytes |
SHA-256: 0d259e9923e0857f62ced76e25b5359f8a3bab9c4f710110ccef57d1abc73a78 |
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