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 of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious redirector at ttraff.cc. The document body, though partially corrupted, contains text related to 'literary terms practice worksheet' and the malicious URL, suggesting a lure to trick users into clicking the links. 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.cc/pify?keyword=literary+terms+practice+worksheet In PDF document text
- http://files.mountbattie.com/uploads/1/3/1/3/131378780/bajabeb_vuxaloliwunepi_kixubusetoxelit.pdfIn PDF document text
- http://files.kasaunhenry.com/uploads/1/3/2/6/132681665/522692.pdfIn PDF document text
- http://files.otterworksusa.com/uploads/1/3/1/4/131437351/tasegus-rekafi-zeganusisaj-jigavulef.pdfIn PDF document text
- http://pezidofof.art4myhome.co.uk/uploads/1/3/0/8/130814328/af669541a4f21.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/1/0432/3016/7207/files/reducing_stress_at_work.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/2440/2843/files/ravimemokurulumubitu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7102/6853/files/subway_map_los_angeles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6878/2757/files/2913778439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8649/5388/files/introduction_to_organic_chemistry_brown.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/pizemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2107/2541/files/atomic_habits_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3293/6605/files/juwivujamivivedabavozix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5682/4471/files/wixisoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2063/8632/files/knight_physics_workbook_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6566/1845/files/gta_5_online_money_hacks_ps3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0412/4571/files/64822979725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5742/2229/files/49672858028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7955/7529/files/71011458952.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_off000066d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D2 | 5340 bytes |
SHA-256: 2400a707137b8cd26bb36f56a9aef05548fef2e8af41660bdaa22dcccead709c |
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font_01_sfnt_off000078ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78EE | 10192 bytes |
SHA-256: 13bea4778b26cc251df99b972fcf8806388913c845e9e8ac953a7c3d48c249dd |
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