MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The document body, though partially garbled, includes the URL 'https://ttraff.cc/pify?keyword=quizas+quizas+quizas+piano+sheet+music+pdf', which is flagged as malicious. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm or SEO poisoning tactic to drive traffic to potentially malicious sites. No scripts were extracted from this sample.
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=quizas+quizas+quizas+piano+sheet+music+pdf In PDF document text
- http://files.danielmgames.com/uploads/1/3/1/3/131381414/zuzavodezipoxaz-rikajatakola-ropugolojadab-moluwa.pdfIn PDF document text
- http://files.kainielsen.org/uploads/1/3/0/7/130775205/disanewodala-dazopuned-nigikidixada-vunuz.pdfIn PDF document text
- http://files.hmcsacadiaalumni.com/uploads/1/3/2/8/132814958/59423f891.pdfIn PDF document text
- http://files.rps9to5.com/uploads/1/3/0/7/130775678/8153611.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/1/0437/7339/5106/files/this_means_war_123movies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1310/2998/files/koxalimuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/93986137891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8587/9713/files/jovukinenopare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1021/1491/files/pa_driver_s_manual_hard_copy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7259/3832/files/18365880153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/40217926654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8579/8301/files/42814734623.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7244/5854/files/foxariwukuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6092/7393/files/technical_drawing_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9321/3855/files/rafunugulejekodogar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/gowupopadasiburifanusat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7799/9519/files/tiffany_thompson_x_art.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_off000053c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53C4 | 5504 bytes |
SHA-256: 355b9bc74487e96185b89392304a703c896435ae547c39c98a65716c13b65dd2 |
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font_01_sfnt_off00006663.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6663 | 15264 bytes |
SHA-256: 07ca6dfe130f5d38d7c626e217fa32ebbdd6f20554de44dea70a0e7387e0bdc8 |
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