MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of a malicious redirector, as indicated by the critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK. It contains a large number of embedded links, with the primary malicious URL being https://ttraff.com/pify?keyword=cavaleiros+do+zodiaco+omega+dublado. The PDF_SEO_LINK_FARM heuristic further suggests a deliberate attempt to create a link farm, likely for SEO manipulation or to host a large number of phishing/malware distribution URLs. The ML classifier also strongly flagged this PDF as malicious.
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=cavaleiros+do+zodiaco+omega+dublado In PDF document text
- http://files.brunovieirademelo.com/uploads/1/3/1/6/131637054/kimuvokanimif-bosixolujopiver-fujimofi-wolotapik.pdfIn PDF document text
- http://xewev.sunnybankanglican.com/uploads/1/3/1/3/131384166/27f90c7a17.pdfIn PDF document text
- http://files.snippityclip.com/uploads/1/3/0/7/130739532/3728654.pdfIn PDF document text
- http://files.betratmo.org/uploads/1/3/1/4/131414134/taxasexis.pdfIn PDF document text
- http://files.dvbpaintings.com/uploads/1/3/0/9/130969192/getafukixene_bisisabufekolut_xelapamirabofi.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/1/0434/1609/2828/files/transformers_bumblebee_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9685/1111/files/boy_baby_names_in_tamil_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2014/7095/files/45917827299.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9303/3111/files/54458052595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/24035353947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/6091145869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2464/5272/files/nojoletokosazuroberuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0416/4257/files/4769779740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1631/3242/files/zipakabefekotajejiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2009/7448/files/profecia_celestina_filme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3248/6823/files/54111900574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1569/1675/files/biriyani_720p_video_songs.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_off00004ade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4ADE | 5416 bytes |
SHA-256: e67029887e67b297601da5f0db7e64dc538215158cf6e6802ab249821bb9c249 |
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font_01_sfnt_off00005d39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D39 | 9620 bytes |
SHA-256: 9cf3bcfc6cffffc45d1f9eecac95d4f04aee39ffd59770674eeb4d206f95ec31 |
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