MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=bruner+theory+of+instruction+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The document body, though partially corrupted, contains text related to 'Bruner theory of instruction pdf' and mentions wkhtmltopdf, suggesting a lure to disguise the malicious intent. The primary attack pattern involves redirecting the user to malicious infrastructure.
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=bruner+theory+of+instruction+pdf In PDF document text
- http://files.greenrootsgourmet.com/uploads/1/3/1/4/131453588/26d064099ed1a50.pdfIn PDF document text
- http://files.nycea.org/uploads/1/3/1/4/131453170/nubekafexabul.pdfIn PDF document text
- http://files.mymarleymax.com/uploads/1/3/0/7/130776661/fisedajivuwaza_sajijivedibifi.pdfIn PDF document text
- http://bajex.newmilfordpilates.com/uploads/1/3/0/9/130969539/debalumunujokulurede.pdfIn PDF document text
- http://files.ambcboston.org/uploads/1/3/1/8/131871480/9916473.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/1/0427/6014/3014/files/58075033720.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/dabotijavubigol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7659/7400/files/53280348216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6985/7176/files/mamefilenakasadewogogurif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2930/7293/files/loxof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2745/6419/files/economics_mcconnell_20th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2788/9302/files/9816652142.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/carcinoma_de_celulas_no_pequeas_de_pulmon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9540/7269/files/okami_warriors_sekiro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/19046735821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0785/8072/files/wonewonamidata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/button_onclick_javascript.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_off00008792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8792 | 5032 bytes |
SHA-256: 7153010102a2f4226d7edf64f36615b63c1ab4c48d9f4fb1b139fab75714e996 |
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font_01_sfnt_off000098b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B9 | 10288 bytes |
SHA-256: c5d3549a9f5bd8f178f7ac8d7d3eca8c755be8d0066f1d8576ebbaebccc2b38f |
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font_02_sfnt_off0000bbae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBAE | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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