MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as legitimate study material, but the primary URL redirects to known malicious infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates the initial link is a redirector. The document body, though heavily obfuscated, contains the target URL and references to 'wkhtmltopdf', suggesting it was generated programmatically to host these links.
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=wordly+wise+book+7+answer+key+pdf In PDF document text
- http://files.redmondmathblog.com/uploads/1/3/2/3/132302923/8512698.pdfIn PDF document text
- http://files.hayfieldsecondarychoirs.com/uploads/1/3/1/4/131455832/pezerimakewusezufip.pdfIn PDF document text
- http://bamewax.zjymbp.com/uploads/1/3/1/4/131438539/sumoma-jeditirom-lokuf.pdfIn PDF document text
- http://kolokulen.judithrpetersonphotography.com/uploads/1/3/0/7/130776485/5917258.pdfIn PDF document text
- http://vevuzoki.australasianeducare.com/uploads/1/3/1/3/131383791/667705.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/1/0428/0123/4076/files/68006364164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0659/0104/files/dapisomegovexenol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0292/9047/files/majus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2402/2677/files/60989486105.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2926/5574/files/454626453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7505/1424/files/12032410060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/the_murderess_alexandros_papadiamantis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0173/0456/files/jasevewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/rodexubugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0496/0676/files/xitomusinidelikib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2272/0922/files/cashew_nut_shelling_machine_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/felamewupidavemuzisol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2738/1924/files/free_english_urdu_dictionary_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7817/3343/files/43896845256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9839/9139/files/degifupijabosuboridimur.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_off00004bce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4BCE | 5528 bytes |
SHA-256: c128f5bf6d3d1982bff6ee5a316d1a03e200c501f8eb0e82669be84994f25885 |
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font_01_sfnt_off00005ec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC9 | 9720 bytes |
SHA-256: ca40fa1c144a4a8d852696f828bdc64c2610cac6ef682e9c4c3869a5adb6f388 |
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