MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed to improve search engine rankings. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=abbots+langley+school+uniform'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a lure to download or access content that ultimately leads 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.ru/pify?keyword=abbots+langley+school+uniform In PDF document text
- http://files.en.lflplatform.net/uploads/1/3/1/4/131409463/wizupofonaxa-nilipeboji.pdfIn PDF document text
- http://files.elainejaryart.com/uploads/1/3/1/0/131071315/mopumaditisotix_lizuxugepaz_zuligo_gixemelagus.pdfIn PDF document text
- http://files.drbobstem-ed.net/uploads/1/3/0/7/130776006/09bc8caf0.pdfIn PDF document text
- http://files.psykotherapist.com/uploads/1/3/0/7/130739542/mitirasekebokajada.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/1/0435/3540/1111/files/vce_to_free_online_tool.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4818/0634/files/o_que_meio_ambiente.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4347/1010/files/99710276121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2019/7789/files/networking_devices_and_their_functions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/muboxokiwugosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/2020/2663/files/dictionary_of_synonyms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/27192316602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9705/4631/files/best_boss_gt_8_software_editor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3092/1895/files/73487342157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9303/3117/files/wopovobuwetorunagix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8187/6131/files/86489665451.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_off00005a49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A49 | 5524 bytes |
SHA-256: a96113ecbbeb65842106695da1c66faf1305ce4d00564900c6e2e91479df4137 |
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font_01_sfnt_off00006ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CED | 10728 bytes |
SHA-256: 5d5a85e7d56b751940e1502afe841d70de19eceb140f245cfeb86fd405ea07ad |
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