MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links designed to mimic a link farm, with a primary malicious redirector URL. The document body, though heavily obfuscated, contains text related to 'Adobe pdf reader free download' and the malicious URL, indicating a social engineering lure. The heuristic firings confirm the presence of malicious redirector links and a link farm, suggesting the intent is to drive traffic to potentially malicious sites or downloads.
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://gettraff.ru/strik?keyword=adobe+pdf+reader+free+download+full+version+for+windows+7 In PDF document text
- http://wuzor.lilianholm.com/uploads/1/3/1/3/131381045/8421934.pdfIn PDF document text
- http://files.green-runners.com/uploads/1/3/1/0/131070362/tanimiso.pdfIn PDF document text
- http://files.grandmau.com/uploads/1/3/2/6/132696104/zudepobifinodu-wosotofa-domunumetanob-diwuba.pdfIn PDF document text
- http://dadopuz.uminnpaleo.com/uploads/1/3/1/0/131069839/d50802410.pdfIn PDF document text
- http://sadumob.maxthemobileman.co.nz/uploads/1/3/1/3/131379858/gidedubedilip_fopawu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/954a3949-afe7-4f2d-8693-3d3e9bfccfe2/7217753135.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0aab3e44-3086-451e-9dab-a4db68ce9e98/mupubupojov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b20fccb7-7111-417f-956f-f3b9340761a5/50016280220.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/37cbf557-ed10-4a3f-89fb-b41f1091ec12/tuvumipureva.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd3c2ecb-202d-4957-adb1-14fa3f1f3064/vudubapapugikatawopog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0476/4068/files/lifuwuledetowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2788/9302/files/xotijifenebofipuvawesum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3449/9493/files/97254463872.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6222/2232/files/35460464243.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5335/0053/files/treatment_foster_care_virginia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9131/2288/files/genesis_allan_kardec.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_off00007bdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BDF | 5396 bytes |
SHA-256: 76a0bb69eaa19e545652e5b7c3ff30b3b2467cf9c53cbaa6c504674f2add0e6b |
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font_01_sfnt_off00008e5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E5C | 9936 bytes |
SHA-256: 26c5cd140b661b364badeb5f347eb5439a91a92910ec47ea8b597725e9427fa2 |
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