MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.ru/pify?keyword=design+e+comunica%25C3%25A7%25C3%25A3o+visual+bruno+munari+pdf+download`. This URL is likely used to redirect users to a malicious site. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on `cdn.shopify.com` and other file-sharing domains, suggesting an attempt to obscure the final malicious destination. 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.ru/pify?keyword=design+e+comunica%25C3%25A7%25C3%25A3o+visual+bruno+munari+pdf+download In PDF document text
- http://files.creatorsdigitalmm.com/uploads/1/3/0/7/130740589/tajara_rutevodawuwe_kitolum_javaja.pdfIn PDF document text
- http://files.cuestacollegerodeo.com/uploads/1/3/1/4/131483550/f518ae417.pdfIn PDF document text
- http://files.sweetshoppeleduc.com/uploads/1/3/0/7/130775106/05cd63d.pdfIn PDF document text
- http://files.sydneybroadaway.com/uploads/1/3/1/8/131872087/e029277647ee.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/1/0428/8305/5782/files/47182893505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2175/4787/files/70426188946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8127/7342/files/xoduzuzudumagafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87195604050.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/53526756408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5555/3443/files/puweparejerure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3731/0632/files/sigolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/vocabulaire_anglais_financier.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2475/0491/files/faxaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9749/6488/files/ap_art_history_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/jefobenupatuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0224/7838/files/31025119519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0138/files/sozoxazapoxeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5420/2018/files/43966148505.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_off000051e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51E3 | 6264 bytes |
SHA-256: 76ad4a97d160dfe5ec414da17cf660ed8600551e18d7353d7b764a9e09505e8f |
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font_01_sfnt_off00006659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6659 | 9584 bytes |
SHA-256: 0bf0e1cc71c6424b4b80ebcf7a40c45ee319d03a4239c6f0a9ae0a98346ca62f |
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