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 for SEO spam or to redirect users to malicious sites. One critical heuristic identified a link to a known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=periodic+table+of+elements+pdf+printable'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a lure to download further content. The presence of multiple PDF links points towards a link farm or a distribution method for malicious content.
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=periodic+table+of+elements+pdf+printable In PDF document text
- http://files.juliemaxwell.com/uploads/1/3/2/6/132696104/poliposabepajegix.pdfIn PDF document text
- http://files.mrsambermoore.com/uploads/1/3/1/3/131380005/fezanuwasi.pdfIn PDF document text
- http://files.muzikale.nl/uploads/1/3/0/7/130776646/1f0b28.pdfIn PDF document text
- http://jopemigi.jordansidfield.com/uploads/1/3/0/8/130874038/jurit.pdfIn PDF document text
- http://files.multiscalar.de/uploads/1/3/2/6/132682790/jazinira.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/1/0435/0056/8736/files/ropejalogokepivoxuvisex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9384/3367/files/pagikenubidolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6338/6016/files/endospore_formation_in_bacteria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4633/0791/files/jokulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7926/2623/files/828580197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1917/7882/files/adenitis_cervical_adultos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6129/6790/files/fefivedupumurelapazuriga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6908/6623/files/33766052113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6819/4965/files/veterinary_dental_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4842/6910/files/76311418214.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4885/3926/files/levugomuwaritub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8604/4572/files/mattafix_big_city_life.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0568/9504/files/dutobix.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_off0000678a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678A | 5444 bytes |
SHA-256: 4d0e27bb540aa9f953a324334b714a6ec9ba11c1eaf7c492ca50fb888757be5b |
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font_01_sfnt_off000079ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79EF | 10024 bytes |
SHA-256: 5471a9b02e2193fdc3e9955e0f670a095b3638e2185c02247ef391cb98353775 |
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