MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Bottom ash handling system pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a link farm heuristic further indicates a malicious intent to distribute links.
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=bottom+ash+handling+system+pdf In PDF document text
- http://files.chrisbaxtersculptor.co.uk/uploads/1/3/1/4/131437423/liluxoxatazug-misototepukixo-gegekav.pdfIn PDF document text
- http://wusinawa.globalcenterforsuccess.com/uploads/1/3/2/6/132682883/2cfbbbd0.pdfIn PDF document text
- http://files.sasswithclass.net/uploads/1/3/1/8/131856725/bisojevaw_wukazedazili_sarizeselojudot.pdfIn PDF document text
- http://files.adastraspeech.com/uploads/1/3/1/4/131452804/2601426.pdfIn PDF document text
- http://files.lensflared.com/uploads/1/3/1/4/131438177/givulitujizubuz.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/1/0438/1189/7504/files/68782802130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5479/1832/files/lava_uke_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3514/7933/files/nms_medicine_casebook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7699/3702/files/waxedamijag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5802/7928/files/60973190313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3747/4466/files/desastre_de_chernobyl_resumen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26965864763.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2778/4099/files/payroll_accounting_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35535883354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3927/7734/files/history_of_neoliberalism.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5622/5686/files/jomopub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5698/7303/files/sapirukidewip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/68900005620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0496/6565/files/is_iskysoft_safe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9676/0730/files/daxosupevus.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_off00006c69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C69 | 5512 bytes |
SHA-256: 4d6d9d3885f166c3b879c4f04ed8eb49d21457953a60fed69da2b78ac32c1649 |
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font_01_sfnt_off00007f11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F11 | 9908 bytes |
SHA-256: 6e0abd1ec514f291b661c5f6cf20281ecdfa47c5fc795c9735d3d4682e2d8679 |
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