MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one pointing to a known malicious redirector. The heuristic firings indicate that this PDF is acting as a link farm, likely to manipulate SEO or redirect users to malicious content. The document body itself is largely unreadable binary data, but the presence of the malicious URL is a strong indicator of malicious intent.
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=attribution+theory+heider+pdf In PDF document text
- http://files.lindseyleemiska.com/uploads/1/3/1/6/131636916/5079856.pdfIn PDF document text
- http://files.amiebantz.com/uploads/1/3/1/1/131164236/bizamel.pdfIn PDF document text
- http://files.dkers.net/uploads/1/3/0/7/130739308/mifobiliv_gixuni_wakarafosefevuv_vonutulaf.pdfIn PDF document text
- http://pusematem.aspiecomic.com/uploads/1/3/1/6/131606457/pimugodasazeregex.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/1/0431/0397/7634/files/duwawoxomibepalawinefir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8738/9087/files/17381654590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6712/0539/files/encyclopedia_brown_cracks_the_case.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2591/4262/files/applied_economics_module_for_grade_12.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8742/9785/files/59850123973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1917/2000/files/guide_de_conversation_franais_allemand.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7492/0347/files/57673862010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/pagepugipegamivawovoge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7928/5401/files/murarokob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5726/4280/files/xiwarubonupajaponupuguz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6467/8817/files/english_writing_skills_ssc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1338/9992/files/synthesis_essay_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0765/5579/files/minecraft_compass_recipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4437/0594/files/byomkesh_bakshi_novel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4539/5359/files/horizontal_progress_bar_android_studio.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_off000072b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72B7 | 4940 bytes |
SHA-256: 4663cad38d442845d1cd400f18076ec8fb925f0ec67640d9835729e3953f77a1 |
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font_01_sfnt_off00008380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8380 | 10324 bytes |
SHA-256: 1f59e00e764ed74cebf670e02c8c6f623758f981ef6951b4dda072967224bfc6 |
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