MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a download button, aiming to trick users into clicking it. The document body, though heavily obfuscated, contains the primary malicious URL. The PDF also hosts a link farm of other PDFs, likely for SEO poisoning or to obscure the malicious redirector.
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/wb?keyword=floorplanner%20editor%20manual In PDF document text
- http://moniwexi.hendrickscountymrc.org/uploads/1/3/1/3/131383283/noxepa.pdfIn PDF document text
- http://files.pelevenart.com/uploads/1/3/1/6/131606819/5722751.pdfIn PDF document text
- http://vobad.destinationwest.org/uploads/1/3/1/3/131379246/bigufefenodita.pdfIn PDF document text
- http://files.kickitcancer.org/uploads/1/3/1/3/131397971/19b8b8146.pdfIn PDF document text
- http://files.booksatafifth.com/uploads/1/3/0/7/130776575/xufupujixofawo_sefege_pukarepizav_jeguratul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/jadasinuxiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3488/5796/files/last_resort_tab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6158/3776/files/89950661277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6869/4423/files/43597060899.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0389/9048/files/oxford_ib_biology_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1094/9273/files/42386856485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1887/8114/files/breck_snow_stake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/61263126088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7258/4861/files/university_physics_14th_edition_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7987/4213/files/73965098673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/kavafinuvesipizini.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
🗂 Part of campaign:
booksatafifth.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009ed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ED4 | 4764 bytes |
SHA-256: 650024bbe597087a931b7df834029b895ae87e6885aae562f416042bcac33a61 |
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font_01_sfnt_off0000aed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAED9 | 10060 bytes |
SHA-256: 8656a39be6921802669ef15dac376906c29a8653e79c9c54735c1345c888d617 |
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font_02_sfnt_off0000d147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD147 | 4324 bytes |
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c |
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