MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
The PDF contains a malicious redirector link and a large number of external links, suggesting a link farm or SEO poisoning tactic. The document body and heuristics indicate a lure for a password-protected archive and a remote support tool, likely to trick the user into downloading and opening a malicious payload. The primary malicious URL identified is https://ttraff.com/pify?keyword=baixar+aplicativo+pdf+para+pc+gratis.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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=baixar+aplicativo+pdf+para+pc+gratis In PDF document text
- http://files.pagingoceanside.com/uploads/1/3/2/7/132741144/4404354.pdfIn PDF document text
- http://files.musicworksnyc.org/uploads/1/3/0/8/130874493/1060924.pdfIn PDF document text
- http://tewejuva.tactdrama.com/uploads/1/3/0/9/130969551/8834303.pdfIn PDF document text
- http://files.thepurpleturtleworkshops.com/uploads/1/3/0/7/130776016/kakebulan_gakexup_bitixijigevudog.pdfIn PDF document text
- http://files.talks.ccsdtitle1.org/uploads/1/3/1/6/131637402/4df15f0.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/1/0429/7054/6329/files/mathita_dvd_ram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1104/7575/files/19399700193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8987/9445/files/34374890486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3862/9288/files/sogujof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/domexu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/alteraciones_del_metabolismo_de_carbohidratos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4914/8838/files/86120074114.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/1996_ford_f150_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0003/7527/files/kuxolurabawewakexowekasep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/javascript_to_hex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6822/6725/files/26338118245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8106/3838/files/preparazione_al_celi_3_b2_livello_intermedio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9930/6650/files/textbook_of_systematic_botany.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_off000089d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D8 | 5500 bytes |
SHA-256: 2345a2f475132e8362d34b3595b7407aa2d565502de93ea9f532a0604cedf2c9 |
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font_01_sfnt_off00009cad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CAD | 10060 bytes |
SHA-256: bc8276a11b0180642a58783a5c8e922310d5d2fc4f49771322d7552a4d412cb7 |
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