MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=public+policy+analysis+peter+knoepfel+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, further supports the link farm heuristic.
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=public+policy+analysis+peter+knoepfel+pdf In PDF document text
- http://files.lauriannefiorentino.com/uploads/1/3/1/4/131407492/lesolugoruwesod-fobefew-jopunetabejavij-tanuzodopemi.pdfIn PDF document text
- http://files.pruewalkerfasd.com/uploads/1/3/1/4/131437953/deboxepij.pdfIn PDF document text
- http://pujotoke.djspizza1.com/uploads/1/3/0/8/130813528/4dd47d1bb1.pdfIn PDF document text
- http://files.gambia-birdingexperience.com/uploads/1/3/0/8/130813042/1274542.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/1/0433/2381/8139/files/kebumopilerozinis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0691/0876/files/barron_s_gre_complete_word_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8674/0646/files/heap_sort_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/5346/2183/files/dragon_age_console_command.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/the_test_of_righteousness_vanilla.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/7873/3224/files/awg_to_mm_conversion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8641/3985/files/hain_celestial_group_inc_annual_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7975/3109/files/25500980416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6287/8618/files/phd_thesis_evaluation_report_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9765/7248/files/historicismo_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0925/3282/files/vopopawez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6811/3574/files/anglais_en_francais.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_off00005916.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5916 | 5340 bytes |
SHA-256: da68cc2bcb6c3e0b8df6ecf929fbabef8c727a06a2ca62d6a3ab24c474e327ce |
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font_01_sfnt_off00006b3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B3B | 9936 bytes |
SHA-256: dfceae58195c8c780475b22ca94e02ee8f232981f077add0316946c36b840735 |
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font_02_sfnt_off00008d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D3C | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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