MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to redirector infrastructure. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate that this document is part of a link farm designed to redirect users to malicious sites. The ML classifier also strongly flagged this PDF as malicious. The primary redirector URL is https://ttraff.com/pify?keyword=revista+natura+em+pdf+ciclo+18, which is likely used to funnel victims to a phishing or malware distribution page.
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=revista+natura+em+pdf+ciclo+18 In PDF document text
- http://files.nicksforzaferrari.net/uploads/1/3/1/3/131379060/9066516.pdfIn PDF document text
- http://files.stmarkschapel.org/uploads/1/3/1/8/131871633/60c4d4e53f8af.pdfIn PDF document text
- http://files.chicagoshares.org/uploads/1/3/0/7/130739789/bujilufusoganin_kodexawabiga.pdfIn PDF document text
- http://mitugil.picsandwics.com/uploads/1/3/2/6/132696212/186126.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/1/0428/7230/7875/files/95789865650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3088/8094/files/76170331275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/cards_against_humanity_disney_expansion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6255/7856/files/fufosefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6245/0586/files/2203650432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5721/5648/files/categories_of_life_skills.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9736/7452/files/joputokorufojuwam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9374/5046/files/12622917427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6232/1567/files/certificat_de_cession_du_vhicule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4627/9080/files/12567960727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/napunajatojazadogimawaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3628/6877/files/58126769476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6334/4294/files/affidavit_of_marriage.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:
chicagoshares.org
5 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A9 | 5496 bytes |
SHA-256: 5e2f2522cbc319d2003ca824d102a6510c7a94c247af2dac2b6698e7949bde51 |
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font_01_sfnt_off00007845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7845 | 12612 bytes |
SHA-256: ab2bc87683eb91a00b48b4af0a7dd34572511fcaad64bc2767a34dda4f25629b |
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font_02_sfnt_off00009e86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E86 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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