MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text related to 'Osmosis in a plant cell lab answers' and includes the malicious URL. This suggests a social engineering attack where the user is tricked into clicking a link under the guise of finding answers to an academic exercise, leading them to a malicious site.
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.com/pify?keyword=osmosis+in+a+plant+cell+lab+answers In PDF document text
- http://files.constructionandtreeservices.com/uploads/1/3/2/6/132682627/bedawumifulafa_fasuk_wodijunifolazu.pdfIn PDF document text
- http://rojegebok.rareearthsmiths.com/uploads/1/3/1/3/131398020/tenotowiluxug_luranetela_kibugijegax.pdfIn PDF document text
- http://files.rusticridgelabs.com/uploads/1/3/2/6/132681028/6917331437ba6.pdfIn PDF document text
- http://files.lidetectingresource.com/uploads/1/3/1/8/131856516/dujimezujesitipen.pdfIn PDF document text
- http://files.casewatson.com/uploads/1/3/1/4/131437087/potiv_gujimutipata_medexi_gaferaf.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/1/0440/6224/5029/files/apollo_fire_alarm_panel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7076/6750/files/nagugezumakozetafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8820/6238/files/kata_kata_luck.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4691/0624/files/87981356796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/gedotoxudusukotafipemene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9856/1948/files/brusters_menu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/61303888641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/5387/0232/files/napoleon_bonaparte_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0276/4184/files/pinofekefomefevagonulok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9429/5203/files/sifts_head_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2931/4206/files/33243581475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1449/6161/files/present_simple_present_continuous_exercises_perfect_english_grammar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86526592296.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_off00007306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7306 | 5336 bytes |
SHA-256: b399006ec372311691186deb6dab4c06e988878946dea90861ecbb343ce54627 |
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font_01_sfnt_off0000851d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x851D | 10392 bytes |
SHA-256: 3f6ce5d078776b751d583a21f4002b323d4f770e7e5520a8dd21a101a6d8107e |
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