MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to external PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. One prominent URL, https://ttraff.com/pify?keyword=internationalization+of+philippine+higher+education+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this same URL and other benign-looking Shopify links, likely to lend credibility. The ML classifier 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=internationalization+of+philippine+higher+education+pdf In PDF document text
- http://pumog.agatficfinearts.com/uploads/1/3/2/8/132814930/nukovikavudixelimani.pdfIn PDF document text
- http://files.perrispawn.com/uploads/1/3/1/3/131383657/fexop_nebesadux.pdfIn PDF document text
- http://files.fisheye.lt/uploads/1/3/0/7/130775970/dikanudekegajapux.pdfIn PDF document text
- http://wimetini.bustingbibleignorance.com/uploads/1/3/1/4/131453133/beputikezaxa.pdfIn PDF document text
- http://files.quinta-milhafre.com/uploads/1/3/1/4/131437822/xizanenuf.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/1/0438/7035/5611/files/anandi_vastu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5666/8573/files/32724969851.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4447/0938/files/15638007481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3692/6374/files/21555940679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/70383749904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/befuxaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81667611697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6975/0944/files/auslogic_boostspeed_8_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30553092986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8003629611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5113/0785/files/58586993979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6320/6307/files/suvafez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7081/5397/files/24763306521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/34901648656.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_off00005c49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C49 | 5228 bytes |
SHA-256: 26c7b6714d5ebefd5762faf0f7b1185e58141ce1cf1a63e0b66c616542b81d9f |
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font_01_sfnt_off00006e05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E05 | 10700 bytes |
SHA-256: 40a8438f093aae72891a9827b894c135fe16007dfc00afbc883555e82ff3bc44 |
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