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.cc/pify?keyword=bruchrechnung+klasse+6+aufgaben+pdf'. This indicates the document's primary purpose is to redirect the user to malicious infrastructure, likely for further exploitation or phishing. The document also contains a large number of external links, many hosted on Shopify, which is flagged as a link farm. The embedded URL in the document body also points to the malicious redirector.
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=bruchrechnung+klasse+6+aufgaben+pdf In PDF document text
- http://files.aboriginalmedicalassociation.com/uploads/1/3/2/6/132695465/lezixilojina-fufokopamodu.pdfIn PDF document text
- http://files.yangmian.net/uploads/1/3/1/4/131453615/dedix.pdfIn PDF document text
- http://files.austinsbrandingiron.com/uploads/1/3/0/7/130775228/mosumaz.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/1/0437/6700/5333/files/47183916046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3156/0354/files/69036079683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/31980930351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/mergers_and_acquisitions_valuation_methods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6225/3978/files/88938431953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9340/8409/files/download_sql_server_management_studio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/48533111306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5325/9679/files/85904304299.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2008/1563/files/bhagavad_gita_swami_mukundananda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3420/4568/files/sekibilige.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/31502561943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9299/1399/files/40868271598.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29529942485.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60BD | 5824 bytes |
SHA-256: ab8a11f77071e77324dd60a16de5440b305e300af3e801a9e1dd01275c3e1ff7 |
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font_01_sfnt_off00007483.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7483 | 10724 bytes |
SHA-256: ba714b727dbd12ae9424eee615728c019378d0220f281e4de706b706f7c0456d |
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font_02_sfnt_off00009828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9828 | 16144 bytes |
SHA-256: a0532d1212509dae036733b1fb6f303b0d7fd7a209d3928fdad713008da19d30 |
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