MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as a download for 'Campbell ap biology 9th edition pdf download'. The primary malicious link, https://ttraff.cc/pify?keyword=campbell+ap+biology+9th+edition+pdf+download, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other links to PDF files hosted on various domains, suggesting a phishing or malware distribution attempt.
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.cc/pify?keyword=campbell+ap+biology+9th+edition+pdf+download In PDF document text
- http://numaja.ekeskogs-ridingacademy.com/uploads/1/3/1/4/131437508/jirenogif_kumoridesuroliz_kasadulotiresa.pdfIn PDF document text
- http://files.theglasshouseretreat.com/uploads/1/3/0/7/130776487/2640315.pdfIn PDF document text
- http://files.bbsimon.com/uploads/1/3/2/6/132682570/tudijimavu.pdfIn PDF document text
- http://files.evangelistictempleofiam.net/uploads/1/3/1/4/131438113/lirula-sozefif.pdfIn PDF document text
- http://files.ashleyinsurance.net/uploads/1/3/1/3/131379803/zarak-jafiwuv-liroxaririfag.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/1/0434/8762/5369/files/80152179633.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5172/8546/files/history_of_automated_teller_machine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wawufomujemozinabewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6508/8936/files/komanowaxipase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6399/2742/files/59854168622.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5064/5157/files/molecular_biophysics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/fadajigozozotabisuze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bisadugizutojaririxenudep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4974/files/13813514116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8266/9461/files/gosapinimokuxumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9896/4117/files/asmaul_husna_bahasa_indonesia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4590/3774/files/toyota_4runner_manual_transmission_for_sale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2726/5693/files/49442273244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/guxufufunemexadebovosefu.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_off0000803c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x803C | 5576 bytes |
SHA-256: 2a13225a8bc0b1799b1b68e251ddc2f3e0f928d1eb50200bcda1951ca326af12 |
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font_01_sfnt_off0000932d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x932D | 10456 bytes |
SHA-256: 030daf21eeb5a96e36ca332800452dbc27b6ad4b7f6433d4bb7db35f78f01b21 |
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