MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a significant number of embedded links, many of which point to domains that appear to be part of a link farm or SEO manipulation scheme. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure. The document body text, while partially obfuscated, includes the phrase "mobile repairing course pdf" and the malicious redirector URL, suggesting a lure to entice users to click on the links. The ML classifier strongly flagged this PDF as malicious.
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.
-
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
-
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.cc/wb?keyword=mobile%20repairing%20course%20pdf In PDF document text
- http://files.dcaaems.org/uploads/1/3/2/8/132814523/81e6d.pdfIn PDF document text
- http://files.keriakvirginhair.com/uploads/1/3/2/6/132681757/vepemoju.pdfIn PDF document text
- http://files.alphaplt.com/uploads/1/3/2/6/132682639/1723588.pdfIn PDF document text
- http://files.room4love.org/uploads/1/3/0/8/130874458/koban_subozad_lalak_wifufup.pdfIn PDF document text
- http://files.reclaiminghopecounseling.com/uploads/1/3/2/6/132681245/239b840ef9eb.pdfIn PDF document text
- http://files.gardenvalleygatherings.com/uploads/1/3/1/3/131398540/rimivuna.pdfIn PDF document text
- http://files.merrifieldseminar.com/uploads/1/3/2/7/132710655/7749287.pdfIn PDF document text
- http://files.lightningridgerealestate.com.au/uploads/1/3/2/8/132815961/tuwor.pdfIn PDF document text
- http://files.raleighmoravian.org/uploads/1/3/1/6/131637092/zavokebofakapez-labukoke-guvarasadojut.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vodefewosiru.files.wordpress.com/2020/06/vujunubomukaguju.pdfIn PDF document text
- https://bofifepero.files.wordpress.com/2020/07/doxiwerutigugosumukuz.pdfIn PDF document text
- https://lavodidanu.files.wordpress.com/2020/07/25382387295.pdfIn PDF document text
- https://faxonitu.files.wordpress.com/2020/07/pubejososasiletesekupusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32878299647.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wanojexabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98629167596.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_off00006662.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6662 | 5272 bytes |
SHA-256: 0c7deab2b9f4beeb6cd6fd7e0cdd662c6d6841efdf752f7e2262fdd4bccd9729 |
|||
font_01_sfnt_off0000784b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x784B | 12904 bytes |
SHA-256: 76d4affb04e2082c943911728c9d947c21c115982b104940ab229225e516d7ce |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.