MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of these links, 'https://ttraff.cc/pify?keyword=validity+and+reliability+test+pdf', is identified as a malicious redirector. The document also includes a heuristic indicating it's a password-protected archive lure, suggesting it's part of a multi-stage attack. The presence of numerous links and the malicious redirector indicates a social engineering attempt to lead users to potentially harmful content.
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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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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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=validity+and+reliability+test+pdf In PDF document text
- http://files.ajreisingerlab.com/uploads/1/3/0/8/130813528/dewipo-rifuvegusekid.pdfIn PDF document text
- http://jujexob.east-baseball.com/uploads/1/3/1/6/131607240/b04c6bcb0.pdfIn PDF document text
- http://files.smokepitfairytales.com/uploads/1/3/2/6/132695476/6185635.pdfIn PDF document text
- http://files.gofabusa.com/uploads/1/3/1/4/131407625/visewinuvupaxav_zofasadugovet.pdfIn PDF document text
- http://files.brianbustosart.com/uploads/1/3/1/3/131383284/najaruveg.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/1/0449/2810/6651/files/learn_accounting_in_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8589/6609/files/insert_multiple_rows_google_sheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9359/0167/files/tajadakajotilimuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5513/7447/files/vulagazajalo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6043/6896/files/xezuwulunupijirun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0427/1524/files/67889738218.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51025654711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2122/1533/files/88676852005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/ladugeru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6387/7537/files/75329292066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zetuvoveluganimuwejipas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/2625/4745/files/advertisement_rubric.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2862/8135/files/lufekutini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3846/6467/files/45699555739.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_off00008514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8514 | 5240 bytes |
SHA-256: da198a9c1c86da534fd743e6ae904929a8a483cc80d337c0953f7ae46673f067 |
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font_01_sfnt_off000096f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96F3 | 10240 bytes |
SHA-256: 61f56405ef319682eb4e4c6e1f5b7752851071f4922d3ed52b82da96a5d72210 |
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