MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru). The document body, though partially corrupted, suggests an attempt to disguise the malicious intent by appearing as educational content ('Kinds of adverbs worksheets for grade 8 pdf'). The presence of numerous links, including one identified as a malicious redirector, strongly indicates a phishing or redirection campaign.
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=kinds+of+adverbs+worksheets+for+grade+8+pdf In PDF document text
- http://files.greekworld.store/uploads/1/3/0/7/130775200/tubew.pdfIn PDF document text
- http://files.kitchen2boardroom.com/uploads/1/3/1/8/131857215/sinos.pdfIn PDF document text
- http://files.flblinds.com/uploads/1/3/0/7/130739615/mutuburiliwa-fuzefomo-zuzekovixutus.pdfIn PDF document text
- http://files.iananc.org/uploads/1/3/1/3/131397971/regotovabir-jubub-xofinawadiru.pdfIn PDF document text
- http://files.otterhoundsofoheavens.com/uploads/1/3/1/4/131453100/podajabaraj_xasogox_dibiv.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/1/0437/0461/5066/files/75810287010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1290/6405/files/gurarakibe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6546/files/pioneer_fh-_x720bt_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5303/files/ncert_exemplar_book_class_11_biology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4079/2999/files/dejalusopofuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5108/1114/files/kufowufupasinutavinok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/planas_de_vocales_para_imprimir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2252/3288/files/95828886327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3745/6534/files/91503884108.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/four_basic_language_skills.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xibazukikamemawamiwemin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4865/7311/files/sony_pxw-_x70_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7577/8198/files/aditya_hrudayam_lyrics_in_tamil_format.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_off000068d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68D4 | 5788 bytes |
SHA-256: 6378ede83fa84f7005d89b0659c1286085752ca18ee94b6c2846b176dc273f83 |
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font_01_sfnt_off00007c9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C9B | 10456 bytes |
SHA-256: e490e528ce3f366d3ae2471de393c373875a1c85feaa0067ef2eec0b96ec8ac2 |
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