MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The embedded URL 'https://ttraff.ru/pify?keyword=annex+11+air+traffic+services+pdf' is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent to redirect users to a potentially harmful 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.ru/pify?keyword=annex+11+air+traffic+services+pdf In PDF document text
- http://files.brainandspinegroup.org/uploads/1/3/1/4/131438557/34a82.pdfIn PDF document text
- http://rodabapef.ivyshi.org/uploads/1/3/1/3/131380042/3581c4b4143.pdfIn PDF document text
- http://files.thecovenantschristandyou.com/uploads/1/3/1/3/131379434/94345039.pdfIn PDF document text
- http://files.akersart.com/uploads/1/3/1/1/131164112/784f16.pdfIn PDF document text
- http://files.100menwhocarequinte.com/uploads/1/3/2/7/132741302/zuwetekovatiso.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/1/0429/2991/4012/files/sample_letter_of_intent_to_buy_property.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4896/7061/files/history_alive_the_medieval_world_and_beyond.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9021/3019/files/gelabiruluxupupupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1257/9747/files/fejon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7613/0718/files/jcps_school_calendar_2015-_16.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0160/1444/files/bunk_bed_plans_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7076/6750/files/92940560562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4583/8239/files/bgp_routing_protocol_configuration.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/7390775150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0106/0262/files/xagovimegokujixulad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/phonics_flashcards_for_kindergarten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9159/0308/files/82415961195.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_off00016f12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F12 | 5288 bytes |
SHA-256: 15f06b3bfa173402f5bd3dbb94d9c00146e8f85e954a7db3a21d89126893565e |
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font_01_sfnt_off00018125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18125 | 9980 bytes |
SHA-256: e791ea4bd3cafdf562c8c4c21552b149bd21fa95f364659f8b34f49ca13f8d31 |
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