MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, disguised as a document about "Zoho aptitude questions 2020 pdf". The PDF also contains a large number of links to other PDFs hosted on Shopify, likely for SEO poisoning or link farming. No scripts were extracted, but the presence of a malicious redirector and the document body's deceptive content strongly suggest a phishing or 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.ru/pify?keyword=zoho+aptitude+questions+2020+pdf In PDF document text
- http://files.hawkinsfarmmarket.com/uploads/1/3/0/7/130739443/1242848.pdfIn PDF document text
- http://files.buchanans-store.com/uploads/1/3/1/1/131163643/263bb6a4cc3c1c.pdfIn PDF document text
- http://files.pernsfood.com/uploads/1/3/1/8/131856333/tuwila-getazibipafat-luzuwapopu-javikawijegoj.pdfIn PDF document text
- http://fowaj.mariposacelebrations-eventmanagement.com/uploads/1/3/1/4/131483083/fepera.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/1/0431/9471/2228/files/mojamamam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/mimawafavujurefotaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8362/0757/files/xuduragagurazolokunoso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2060/6885/files/55494271566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/kutuwokusejikikusewepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7749/1093/files/69805623087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3241/1298/files/6595911393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0658/1147/files/trim_string_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5037/5070/files/car_inspection_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7059/3955/files/77451802843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/wugudusapawexixabud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5064/5157/files/business_analyst_case_study_examples.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_off00005d92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D92 | 5356 bytes |
SHA-256: 8c69fab973fc0dac66d524cee5e4db03fc2995bf7cefbbebde219a6277cdcb66 |
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font_01_sfnt_off00006fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FCD | 9908 bytes |
SHA-256: 7bffdb58e95f1c7a4bf59258fa20263b0d279f58f59d25339e3c1112c1ac2719 |
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