MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, a technique often used in SEO spam campaigns to drive traffic to malicious sites. One of the primary links, 'https://ttraff.ru/pify?keyword=graphing+lines+in+slope+intercept+form+worksheet+pdf', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to graphing lines and worksheet PDFs, likely serving as a lure.
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=graphing+lines+in+slope+intercept+form+worksheet+pdf In PDF document text
- http://files.elegantmusic.ca/uploads/1/3/2/6/132681634/2756454.pdfIn PDF document text
- http://files.saundersvet.com/uploads/1/3/1/3/131380591/lakamikowa-dejibogaxemu-duvuveweto-ripediz.pdfIn PDF document text
- http://tirajuro.theartfulclarke.com/uploads/1/3/0/7/130775734/kukusekuluga.pdfIn PDF document text
- http://files.srflasvegas.org/uploads/1/3/0/8/130874250/1479312.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/1/0434/5869/1232/files/lalepupokogixeze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2887/9272/files/medical_and_surgical_asepsis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3573/7755/files/77273080590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6360/6437/files/55447653864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0167/5939/files/46023265418.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9309/0714/files/19593593457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3862/2375/files/pawaripafuzewudosezalarag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32732230761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7761/5262/files/jasukazexesuwovigositovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1509/3920/files/figijirodozavikenitonezas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6006/0567/files/datuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2642/1672/files/web_development_crash_course.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7707/4086/files/luwifumolusarerobob.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
🗂 Part of campaign:
aquabydesign.co.uk
6 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FCE | 5756 bytes |
SHA-256: f175595fd4f3881ea4e8117d9fda6d940337bb0b8c8d6a85bb8c01a2e610da47 |
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font_01_sfnt_off00006346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6346 | 9844 bytes |
SHA-256: 919be9e4239f607e2d768ff191e04e0a6b8f71fd6b3b2712535fd4e778de678b |
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