MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by a machine learning classifier as malicious and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, and another indicated a large external PDF link farm. The document body, though heavily obfuscated, contains references to these URLs, suggesting a malicious intent to redirect users or manipulate search engine results.
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/wb?keyword=pengertian%20radikalisme%20menurut%20para%20ahli%20pdf In PDF document text
- http://files.woodyshticks.com/uploads/1/3/1/3/131379612/ritozo_luwubuvilul_bizifodoli.pdfIn PDF document text
- http://files.publichealthmuseum.org/uploads/1/3/1/3/131384789/a826b1b39.pdfIn PDF document text
- http://files.skunkvalley.com/uploads/1/3/1/6/131606353/2dee573155f.pdfIn PDF document text
- http://files.rynnailes.com/uploads/1/3/1/3/131379168/611424.pdfIn PDF document text
- http://files.ingathompsonfoundation.com/uploads/1/3/1/4/131438423/e634d.pdfIn PDF document text
- http://files.waveloopart.com/uploads/1/3/2/7/132740343/883d0.pdfIn PDF document text
- http://files.laviishluxxe.com/uploads/1/3/0/7/130775942/1a41a3f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bomutap.files.wordpress.com/2020/06/kajelonimubax.pdfIn PDF document text
- https://getakoridun.files.wordpress.com/2020/06/97872665626.pdfIn PDF document text
- https://fabitilo.files.wordpress.com/2020/06/lupuvedogevubup.pdfIn PDF document text
- https://fojekiv.files.wordpress.com/2020/06/33697344370.pdfIn PDF document text
- https://nemujatisale.files.wordpress.com/2020/06/misapewenuvarexafuwur.pdfIn PDF document text
- https://lipurenipagu.files.wordpress.com/2020/06/jadifesozobofopukenuledop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muxajuvorupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75555741983.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90841244024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peregomosurexezobosezob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/radeziwiwilajumigetadad.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_off0000a6f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6F3 | 5292 bytes |
SHA-256: 49bd969ca986dfd96e84d14b4ae25f2714b58b9a068f69774c957d060a43362e |
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font_01_sfnt_off0000b8bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8BB | 10076 bytes |
SHA-256: 54cae182c56fc987ac78fbb55975aeb6548d51e64f53f9abecdc946744a1436a |
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