MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at `ttraff.com`. The document body, though heavily obfuscated, contains text related to 'Hepatic encephalopathy review article pdf' and the malicious URL, suggesting a lure to disguise malicious intent. The presence of a link farm and the ML classifier's high confidence further support the malicious nature of this document, likely serving as a delivery mechanism for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
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.
-
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.
-
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=hepatic+encephalopathy+review+article+pdf In PDF document text
- http://files.tuftsasce.org/uploads/1/3/1/3/131380107/fogexafodo.pdfIn PDF document text
- http://fowagudug.delicatetouchhealingarts.com/uploads/1/3/1/4/131437886/5148251.pdfIn PDF document text
- http://files.championcoffee.com/uploads/1/3/0/8/130874265/8857414.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/1/0439/0980/8280/files/diragepab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1637/9816/files/60505288237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/sagipimewigif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7621/files/36615183380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4078/3008/files/suxutebenapunelidasusipuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2260/4695/files/catia_electrical_harness_design_training.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/scuffham_s_gear.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3143/6186/files/jolararakovajalikorafejiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/nilexokisakunofefivoxedif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2978/1918/files/28950435254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/15965874840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/process_analysis_by_statistical_methods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2749/6087/files/html_form_auto_submit.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_off00008bf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BF9 | 5068 bytes |
SHA-256: 2837cf702b8116aba54c6e53f93855d7335207f75943e670ddae4dc203672ab7 |
|||
font_01_sfnt_off00009d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D3C | 10636 bytes |
SHA-256: 62bbc2532d793d865b9ba96307bbde3daa2a1671afd39c424836d694d35b5db1 |
|||
font_02_sfnt_off0000c124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC124 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.