MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body and heuristics indicate a lure for free downloads, specifically mentioning 'ielts band 9 academic writing task 2 pdf', which is likely a pretext to drive traffic to malicious infrastructure. The ML classifier strongly supports the malicious verdict.
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.com/pify?keyword=get+ielts+band+9+academic+writing+task+2+pdf In PDF document text
- http://files.harrisvillenatureclub.com/uploads/1/3/2/6/132696280/8713339.pdfIn PDF document text
- http://files.wingwoodfarm.com/uploads/1/3/1/4/131407164/wagigugodojas-powujiputafonu.pdfIn PDF document text
- http://files.thechilitrail.com/uploads/1/3/2/7/132741476/9444799.pdfIn PDF document text
- http://files.apartmentstenerife.ie/uploads/1/3/1/1/131164152/dipevugif_fexuzodexujuta_kexifezuzawadup.pdfIn PDF document text
- http://delafetu.freeyourmindaz.com/uploads/1/3/1/1/131164250/rugizi_wekoz.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/1/0435/2838/8772/files/square_root_of_65.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0319/9138/files/51885882163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3663/8360/files/forbidden_woods_map_bloodborne.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5080/2081/files/fatulopunuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2547/1400/files/50578419864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2764/5095/files/24689843437.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3477/9553/files/butler_volmer_equation_derivation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83390791822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0016/7589/files/phn_mm_chuyn_t_file_sang_file_nh.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6999/7207/files/96322668486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5481/6667/files/jacquees_me_patron_and_you.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/59677855830.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000645f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x645F | 6088 bytes |
SHA-256: 17501a81bc91fdd7b0641587245a4f3af50ee90f134da4dfeb4f6d9dcf88987f |
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font_01_sfnt_off0000791a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x791A | 11296 bytes |
SHA-256: 7d70e0431965c3b9c445945b369157b2a744ba03c5c291200b5496b9ce714cf4 |
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font_02_sfnt_off00009e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E14 | 16448 bytes |
SHA-256: 4d0b7fceb6e0b8544dba10d314310d86ee7e0ac375a8e3b5fd915ca5fa71995c |
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