MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing indicating a redirector to known malicious infrastructure at 'https://ttraff.com/pify?keyword=aocs+cd+8+53+pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains a reference to the same malicious URL, suggesting an attempt to lure users to a phishing or malware distribution site.
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=aocs+cd+8+53+pdf In PDF document text
- http://zetegoj.thecitycabaretokc.com/uploads/1/3/2/3/132302780/3023789.pdfIn PDF document text
- http://files.jeffcomorotary.org/uploads/1/3/1/4/131483336/6958182.pdfIn PDF document text
- http://files.villagestogetherhub.co.uk/uploads/1/3/1/3/131384635/tobuwomozituze.pdfIn PDF document text
- http://samuveti.noramacquarrie.com/uploads/1/3/0/8/130874422/dobax.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/1/0431/6191/1458/files/nalivepal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5307/2022/files/melodies_of_praise_assemblies_of_god.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6229/5716/files/antenatal_diet_health_education.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1363/6259/files/metabolismo_de_lipidos_en_monogastricos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1916/6105/files/63960524232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1501/2511/files/86359129873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1322/4094/files/7176735067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0939/2285/files/94847337455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1564/3031/files/90804501936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1767/4656/files/python_uart_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0708/0605/files/59739290287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6737/5777/files/nidifiwanedezipipav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2891/4074/files/57272638160.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_off00004fc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FC2 | 4720 bytes |
SHA-256: 85d333c4cf72d0ccf68757d23d2b88d8c01448b0a5b9df7cfd1c70130155161a |
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font_01_sfnt_off00005fc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FC7 | 11280 bytes |
SHA-256: 6d054189c696f8be1452a209b246205d06ab817a44ca15c678f8945b6abda8f0 |
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font_02_sfnt_off000084c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84C2 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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