MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of a link farm, embedding numerous external links. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=the+digital+filmmaking+handbook+5th', suggesting a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the sheer volume of embedded links points to a malicious intent, likely to lure users to compromised sites.
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=the+digital+filmmaking+handbook+5th In PDF document text
- http://files.corezone.online/uploads/1/3/0/7/130739614/691f58f83a55.pdfIn PDF document text
- http://jireg.conservatoryathome.com/uploads/1/3/1/6/131606255/6775934.pdfIn PDF document text
- http://files.dreammasterbuild.com/uploads/1/3/2/6/132696174/06578fc3663db.pdfIn PDF document text
- http://files.charlestonctc.com/uploads/1/3/0/8/130813851/644a0ec8bf5189.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/8144/9126/files/zisaseluwuxugamazogivira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1538/7811/files/school_lesson_plan_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9594/0519/files/scribblenauts_unlimited_level_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1932/2022/files/26745420586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2944/7335/files/pupifuruget.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1995/2540/files/scratch_jr_lessons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8706/7291/files/ludajudopetavixod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9920/2467/files/vevebokodupunukox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/satodegojoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6558/1469/files/ziwefufafepuzofevav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4089/7181/files/sizizapisalarubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7887/7337/files/miwanal.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000050ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50EF | 5112 bytes |
SHA-256: fe337ca5739c19053cae992eab01bf35dec60349ad39b402a16ad7e624f90939 |
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font_01_sfnt_off00006237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6237 | 9908 bytes |
SHA-256: 1c283febce73c92300df681f6de0b75df01fbdaf90a9eb888b1c8270a4da3f1b |
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font_02_sfnt_off00008429.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8429 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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