MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify-hosted PDFs. One critical heuristic firing indicates a direct link to a known malicious redirector infrastructure. The embedded document body text, though partially corrupted, contains the string 'module 6 expressions and equations answer key' and a URL that matches the malicious redirector. This suggests the document is designed to trick users into clicking the malicious link under the guise of educational material.
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=module+6+expressions+and+equations+answer+key In PDF document text
- http://files.oaklandchristianchurch.org/uploads/1/3/2/7/132711999/mosonajatogel_zotamarume_vegeragek.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/1/0437/8840/2839/files/shchedrin_basso_ostinato.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejukimuvili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/6248/0296/files/modal_verb_exercises_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2878/1988/files/10_muharram_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5060/5461/files/fajolonapetoferolosamimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7646/0445/files/lizebugizije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31670740491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/munuzajutajamarigeregutoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2153/9240/files/margaret_atwood_alias_grace.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9941/3921/files/zefoxodo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0960/5791/files/boston_market_nutrition_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/mukubutokonopus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4907/4340/files/business_management_books_free.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_off0000892b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x892B | 5444 bytes |
SHA-256: 88601f145407e745061f549e0b63e40fbfcb5f46b89c166f4a046d33622289da |
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font_01_sfnt_off00009bd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BD9 | 11176 bytes |
SHA-256: 9d9494b28e039b1b11c075e73b43f7a24627e4d1b846d605029500d66919ef0a |
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font_02_sfnt_off0000c0fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0FE | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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