MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=cardiac+tamponade+pdf+2020'. Additionally, it features a PDF link farm heuristic, indicating a large number of external links, with the first being 'https://cdn.shopify.com/s/files/1/0428/8679/1334/files/rokexizikafojopivogol.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body contains the malicious URL, suggesting a social engineering lure.
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=cardiac+tamponade+pdf+2020 In PDF document text
- http://files.beadedtreats.com/uploads/1/3/0/8/130813841/8043cbaa20d6f56.pdfIn PDF document text
- http://files.sdp.scot/uploads/1/3/0/8/130873833/sinib_sovifigax.pdfIn PDF document text
- http://files.ronleachsoapstone.com/uploads/1/3/0/7/130740048/nalabejolawi.pdfIn PDF document text
- http://files.alidub.com/uploads/1/3/0/7/130775953/mavisokitetipela.pdfIn PDF document text
- http://files.sara-rodrigues.com/uploads/1/3/1/3/131398498/saranibelobu-zawibejiridozix.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/1/0428/8679/1334/files/rokexizikafojopivogol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9892/2403/files/38553812905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3463/0554/files/32658144815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5357/2515/files/muwajotisoselasud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3971/1655/files/29412633578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3373/8911/files/stewart_calculus_concepts_and_contexts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3943/8486/files/opencv_install_ubuntu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1905/7826/files/dekej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5107/4204/files/rubitegejekeminanifolit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4521/5656/files/54269375313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6467/1909/files/99234334240.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3755/6889/files/mominigasarufusujiwef.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_off000066fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66FB | 5272 bytes |
SHA-256: 4edbfca2c43781793c5ccc6a4af0db7f936eda0e0f59e8effefc7987d090e5a6 |
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font_01_sfnt_off000078d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78D4 | 10316 bytes |
SHA-256: 17dd83b1ff03027d7a67ab244b2c1645bde47ed52b3c9d0d6a7132e4b566a93e |
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